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Quadrilaterals Find the value of x for each given quadrilateral. 1) 36° 144° 36° (7x - 24)° 2) (x + 27)° 134° (x + 27)° (6x + 20)° 3) 90° (5x - 20)° 90° 90° 4) 86° (x + 41)° 106° (x + 21)° 5) 90° 90° 90° (2x + 30)° 6) (2x + 21)° 107° (2x + 43)° 85° 7) 50° 130° (4x - 6)° 130° 8) 32° (5x + 3)° 32° 148° 9) 58° 122° 58° (7x + 17)° 10) (x + 23)° 135° 45° (6x + 3)° -1- You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-
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Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET

Nov 24, 2018

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Page 1: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

Quadrilaterals

Find the value of x for each given quadrilateral.

1)

36°

144°

36°

(7x - 24)°

2)

(x + 27)°

134°

(x + 27)°

(6x + 20)°

3) 90°

(5x - 20)°

90°

90°

4)

86°(x + 41)°

106°(x + 21)°

5)

90°

90°

90°

(2x + 30)°

6)

(2x + 21)°

107° (2x + 43)°

85°

7)

50°

130° (4x - 6)°

130°

8)

32°

(5x + 3)°

32°148°

9)

58°

122° 58°

(7x + 17)°

10) (x + 23)°

135°

45°

(6x + 3)°

-1-

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Page 2: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

11)

78°

102°

(37 + 2x)°73°

12) 89°

(5x + 21)°

(8x + 2)°(3x + 24)°

13) 58°

(11x - 10)°

(5x - 2)°

122°

14) (2x + 9)°

(8x + 1)°(x + 26)°

137°

15)

(x + 5)°

140° 40°

(35 + 3x)°

16)

54°(4x + 26)°

(29 + x)°126°

17)

89°

(2x - 29)° 2x°

60°

18)

81°

(8x + 11)°

(7x + 18)°

85°

19)

(x + 25)°

124°

56°

124°

20)

52°

128° 52°

(2x + 44)°

21)

48°

(7x + 6)°

48°

(6x + 24)°

22)

31°

149°

(2x - 43)°149°

-2-

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Page 3: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

23)

(2x - 24)°

102° (2x - 1)°

(x + 28)°

24)

64°116°

102°(2x + 2)°

25)

(3x + 6)°

132°

48°

132°

26)

(x + 2)°149°

31° (4x + 33)°

27)

30°

150° 30°

(7x - 25)°

28)

44°

136° (x - 1)°

136°

29)

(x + 30)°94°

113°

67°

30)

64°

(5x + 21)°

110°(3x + 13)°

31)

42°

138° 42°

(6x - 24)°

32)

(x - 10)°

(2x + 1)°

(x - 10)°

127°

-3-

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Page 4: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

33) 56°

124°

(x - 6)°

124°

34)

38°

2x°

38°

142°

35)

59°

121°

59°(7x - 19)°

36)

(6x - 13)°

(5x + 17)° 100°

80°

37)

51°

129°

(x + 30)°

(5x + 24)°

38)

59°

121° 59°

(8x + 17)°

39) (x - 5)°

(5x - 37)°(2x - 42)°

148°

40) 88°

92°

112°

(2x + 12)°

41)

90°

90°

(14 + 7x)°

68°

42)

(x + 22)°

127°(2x - 9)°

127°

43)

50°

(9x - 14)°

(3x + 2)°

130°

44)

63°

117° (5x - 21)°

(2x + 40)°

-4-

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Page 5: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

45)

50°

(8x - 14)° 104°

76°

46)

41°

(7x - 22)° (x + 18)°

(5x + 24)°

47)

40°

(4x - 44)°

40°

140°

48)

(-12 + 3x)°

96° (2x + 31)°

85°

49)

87°(9x + 3)°

105°

75°

50)

47°

133° (2x - 5)°

(-23 + 6x)°

51)

35°

(9x + 1)° 35°

145°

52)

84°

96° 94°

(3x - 10)°

53) 49°

131°

49°(5x + 26)°

54)

(5x - 4)°94°

(6x + 4)°

68°

55)

(x + 23)°(x + 53)°

(-3 + 2x)°

79°56)

44°

136°

44°

(3x - 68)°

-5-

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Page 6: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

57)

39°

141°

39°

(7x - 20)°

58)

31°

(4x - 47)° 95°

(36 + x)°

59)

83°

(5x + 27)°

7x°82°

60)

(x + 18)°

(8x - 18)°

38°

142°

61) (x + 25)°

138°42°

138°62)

(2x - 3)°

147°

(x + 15)°

(7x + 21)°

63)

(2x + 24)°

104°

(4x - 8)°

84°

64) 79°

101°100°

(7x - 4)°

65)

35°

145°

(-1 + x)°

(3x + 37)°

66)

33°

147°

(x - 40)°147°

67)

(3x + 18)°

(7x + 2)° (5x + 15)°

85°

68)

47°133°

(6x + 10)°

(6x + 2)°

-6-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 7: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

69)

(x + 2)°

(4x - 42)° 46°

134°

70)

57°

123°

(3x - 15)°

123°

71)

41°

(3x + 1)° 41°

(4x - 45)°

72)

79°

101°

111°

(4x - 3)°

73)

82°

98° (5x + 16)°

(5x + 4)°

74)

36°

144°

(x + 18)°

144°

75) 49°

131°

49°

(5x + 1)°

76)

(3 + 2x)°107°

(x + 66)°79°

77) 88°

(2x - 16)°

(2x + 1)°

71°

78) (6x + 8)°

(8x + 4)°

(8x + 20)°

(6x - 8)°

-7-

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Page 8: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

79)

89°

(4x - 25)° 117°

63°

80)

59°

(3x + 1)°

109°(x + 31)°

81)

(x + 12)°

150° 30°

(8x + 6)°

82) 57°

123°(4x - 11)°

(21 + 6x)°

83)

58°

(10x - 8)°

94°

(6x + 8)°

84) (x + 47)°

107°

90°

90°

85) 39°

141°(2x - 7)°

141°86)

(4x - 19)° 111°

94°

86°

87)

(2x + 7)°

93°

120°60°

88)

2x°

4x° 60°

120°

89)

(2x + 25)°

117°

93°(11 + 4x)°

90) 61°

119°

(2x - 10)°72°

-8-

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Page 9: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

91)

74°

(11x - 4)° (9x + 3)°

87°

92)

(x + 38)°

107°

(2x + 22)°

88°

93)

54°(9x + 18)°

(3x + 18)°(10x + 6)°

94)

55°

(7x - 15)° 55°

(7x - 15)°

95)

(6x + 15)°

99° 106°

74°

96)

52°

(7x - 19)°

52°

(-19 + 7x)°

97)

(4x + 3)°

125°

(6x + 12)°

90°

98)

80°(6x - 20)°

92°

88°

99)

73°

107° (7x - 11)°

(4x + 26)°

100)

5x°

5x°

(5x + 19)°

71°

Calculate the value of x.

101)

(4x + 18)°90°

90°

90°

102)

51°

(3x + 33)°

51°

129°

-9-

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Page 10: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

103)

104°

(11x - 3)° 103°

(5x + 12)°

104)

90°(5x + 12)°

140°

(6x - 3)°

105)

34°

146°

(x - 2)°

(3x + 38)°

106) 90°

6x°90°

90°

107)

47°

(19 + 6x)°

47°

133°

108)

(2x + 20)°120°

(2x + 20)°6x°

109)

(10x - 6)°

96°

99°

81°

110) (11x + 19)° (6 + 6x)°

86°

79°

111)

85°

73°

(2x + 43)°

107°

112)

(-85 + 2x)°

133°

(2x - 85)°

(2x + 1)°

-10-

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Page 11: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

113)

(2x - 20)°

(4x - 40)°

60°

(4x - 40)°

114)

(x - 28)°

(2x + 1)°

41°

(3x - 68)°

115)

(6x - 5)°

125°

(5x + 5)°

(12x + 5)°

116)

77°

103°

91°

(4 + 5x)°

117) 90°

(3x + 12)°

104°

(x + 50)°

118)

41°

(11x + 18)°

41°

(13x - 4)°

119)

88°

82°

(10x - 10)°

60°

120)

(6x - 6)°

(11x + 16)° 54°

126°

121)

37°

(9x - 10)°

37°

143°

122)

50°130°

(x + 32)° 130°

123)

74°

106° 98°

(3x + 31)°

-11-

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Page 12: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

124)

89°

(8x + 11)°(12x - 10)°

70°

125)

(2x + 9)°

143°(2x + 9)°

143°

126) 50°

10x°50°

(11x - 13)°127)

4x°(5x + 17)°

(11x - 6)°

69°

128)

(2x + 26)°

(8 + 3x)°

(6x + 4)°

(2x + 10)°

129) 59°

121°

59°

(x + 61)°

130)

45°

135°

(x - 22)°

135°

131)

66°

114°

(7x + 12)°

84°

132)

81°

99°

(7x + 2)°

(3x + 8)°

133) 31°

(8x + 5)°(x + 13)°

149°

134)

85°

(2x - 84)°

142° (2x - 67)°

135) 44° (10x - 14)°

(2x + 14)°136°

-12-

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Page 13: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

136) 75°

94°127°

(x + 33)°

137)

53°

127°

53°

(6x - 23)°

138)

58°

122° (5x - 2)°

(9x + 14)°

139)

(5x + 1)°

(7x + 11)° 114°

66°

140) 89° (x + 56)°

106°

74°

141)

(3x + 6)°123°

(2x + 23)°

123°

142) 43°

101°

130°

(7x + 9)°

143)

(2x - 1)°141°

39° (6x + 21)°

144)

(x + 54)°

94°

72°

(2x - 19)°

145)

(x + 20)°

128°

52°

128°

146)

31°

(5 + 6x)°

31°

149°

147)

72°

(-9 + 13x)° 98°

(9x + 1)°

-13-

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Page 14: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

148)

(6x + 12)°

(11x - 2)°

(10x - 4)°

84°

149)

75°

(8x + 16)°

109°

(8x + 16)°

150)

(x + 15)°

132°

48°

132°

151)

(5x - 9)°

(7x + 4)° 70°

(6 + 5x)°

152)

79°

(6x + 23)°

109°

71°

153)

(2x - 6)°

(7x - 21)°

93°

87°

154)

85°

(2x - 31)°

116° 74°155)

59°

(5x - 29)°

59°

121°

156)

(2x + 35)°

(3x - 5)°70°

85°

157)

42°

138°

(x - 4)°

138°

158)

(3x - 1)°

136° (x + 29)°

136°

-14-

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Page 15: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

159)

(x + 18)°108°

91°

89°

160)

77°

86° 81°

(6x - 22)°

161)

55°

125°

(x - 7)°

125°

162)

(10x - 9)°

58°

70°

81°

163)

38°

142° (x + 18)°

(22 + 6x)°

164) (x + 14)° 148°

32°(8x + 4)°

165)

(4x + 19)°

113°

(8x - 3)° (8x - 9)°166)

(8x + 13)°

95°

97°

(10x - 7)°

167)

104°

63° 12x°

49°

168) 56°

124°

56°

(7x - 16)°

169)

85°

(x + 57)° 115°

65°

170)

86°

94°

(3x - 48)°

81°

-15-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 16: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

171)

3x°

135°

(4x - 15)°

135°

172) (7x + 13)°

55°

151°

57°

173)

(5x - 2)°

122°

(22 + 3x)°

(9x + 14)°

174)

(9x + 18)°

101°52°

(8x + 2)°

175)

39°

(10x + 1)°

(11 + 2x)°

141°176)

86°

(12x - 2)°

(12x + 10)°

74°

177)

76°

104° (7x + 5)°

84°

178)

134°

(x - 11)°

95°

(-59 + 2x)°

179) 52°

(7x + 16)°52°

128°180)

35°

145°

(x + 6)°145°

-16-

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Page 17: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

181) 64°

101°

54°

(20 + 11x)°

182)

48°

132°

48°

(5x - 33)°

183)

(6x + 5)°

(7x - 7)°

(9x - 12)°

66°184)

69°

(4x + 23)°

114°

66°

185)

133°(3 + 6x)°

44°

84°

186)

(16 + 9x)°

57°

(10x + 10)°

106°

187)

42°

138°

42°

(10x + 18)°

188)

71°

(10x + 9)° 105°

75°

189)

88°

92° 117°

7x°

190)

55°(4x + 5)°

55°157°

191)

85°

105°

(6x + 5)°

(3 + 12x)°

192) 38°

(7x - 19)°

38°(6x + 4)°

-17-

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Page 18: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

193)

79°(10x + 11)°

102°

78°194)

(5x + 5)°

110°

(2 + 7x)°87°

195)

124°

(2x - 11)°

(3x - 3)°

45°

196)

(4x + 2)°

91°

60°

99°

197)

(3x - 14)°

(6x + 5)°

(3x - 14)°

(5x + 26)°

198)

(4x - 26)°

90°

116°

(35 + x)°

199)

66°

(5x + 24)°80°

90°

200)

32°(12x + 4)°

(3x - 4)° (11x + 16)°

201) x°

(2x - 37)°

142°114°

202) 45°

(-5 + 20x)°

(8x - 11)°135°

203) 90°

(6x + 24)°

(9x - 9)°

(9x - 9)°

-18-

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Page 19: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

204)

55°

125°

55°

(21x - 1)°

205)

(x + 29)°

140° 40°

140°

206)

(7x - 15)°

6x°

90°

(8x - 30)°

207) (5x + 12)°

98°(9x - 28)°

(5x + 12)°

208)

(4x - 1)°

101°(4x + 16)°

(5x - 16)°

209)

(4x - 11)°(8x - 13)°

(4x - 11)°(8x - 13)°

210)

40°

(13x - 16)° 40°

(12x - 4)°

211)

45°

123°

(3x + 14)°

(6x - 38)°

212)

53°

127°

53°

(5x + 2)°

213)

35°

(20x - 15)°

35°

145°

-19-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 20: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

214)

69°

111°

(2x + 50)°

(2x + 42)°

215)

62°(3x - 59)°

(2x - 14)°

76°

216) 82°

112°(14x + 17)°

65°

217)

151°

58°

(3x + 50)°

(4x - 25)°

218)

(3x + 21)°

(16 + 8x)°

60°

(7x + 29)°

219)

48°

132°

48°

(13x - 24)°

220) 30° (3x + 39)°

30°(5x - 35)°

221)

63°117°

(3x - 23)°

86°

222)

65°

115° 109°

(7x - 13)°

223)

(23 + 3x)°

133°

47°

(14x + 21)°

-20-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 21: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

224)

(4x - 24)°

108°

(2x + 37)°

(3x - 4)°

225)

(7x - 6)°

(6x + 17)°

115°

(3x + 10)°

226)

32°

(7x + 1)°(x + 11)°

148°

227) 56°

(11x - 8)°

56°

(10x + 4)°

228)

(14x + 9)°101°

98°82°

229)

145°

2x°(4x - 17)°

2x°

230) 56°

124°

(3x - 16)°

124°

231)

124°

(4x - 63)°90°

(-x + 86)°

232)

37°

(4x + 3)°37°

(6x - 67)°

233) 51°

(15x + 9)°

51°

129°

-21-

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Page 22: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

234)

(6x - 18)°

120°

(-9 + 8x)°

85°

235)

(2x - 45)°

113° 92°

(x + 32)°

236)

100°

(15x + 12)°

59°

(16x + 3)°

237)

(9x - 4)°

130°

50°

(22x - 2)°

238)

(3x - 14)°

(5x - 71)°83°

74°

239)

(5x - 7)°

147° 33°

(17x + 11)°

240)

60°

120°

3x°

120°

241) (10x + 17)°

(15x + 13)°(20x - 12)°

72°

242)

33°

147° 94°

(31 + 5x)°

243)

134°

(6x - 12)°102°

58°

-22-

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Page 23: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

244) (3x + 19)°

134°(5x + 1)°

134°245)

(17x - 6)°

72° (16 + 5x)°

58°

246)

58°

(31 + 7x)° (3x + 19)°

122°

247)

54°

126° 54°

(2x + 42)°

248)

(7x + 13)°104°

96°(10x - 6)°

249)

63°

(6x + 3)°164° 70°

250)

98°

(15x - 4)° (-10 + 11x)°

(9x - 4)°

251)

(5x + 8)°

127° 53°

(14x + 1)°

252)

49°

131°

(2x + 17)°

131°

253)

72°

108° (7x + 7)°

(7x - 9)°

254)

(4x + 15)°101°

(5x + 34)° 66°

255)

35°

(10x + 25)° 35°

(12x + 1)°

-23-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 24: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

256) (17x + 1)° 80°

(11x + 11)°72°

257)

(6x + 6)°

132°

48°(20x - 8)°

258)

(2x - 19)°

66°

83°3x°

259)

(4x + 13)°

(18x + 13)° 41°

(18x + 13)°

260)

(29 + 3x)°

(4x + 18)°118°

62°

261) 86°

(5x - 6)°

(4x + 20)°

80°

262) 30°

150°

30°6x°

263)

104°

61° (8x - 19)°

(5x + 32)°

264)

(7x + 1)°137°

43°

137°

265) (18x + 10)°

77°

(10x + 12)°

93°

266) 36° (4x - 48)°

36°144°

267)

38°

142° (3x + 8)°

142°

268) (3x + 24)°

(4x + 9)°108°

72°269)

55°

125° 55°

(6 + 7x)°

-24-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 25: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

270)

(3x - 22)°

(3x - 2)°

(x + 68)°

(4x - 58)°

271) 121°

(7x + 17)°

104°

(4x + 8)°

272)

38°

(14x + 16)°

38°

142°

273)

(26 + 7x)°

(8x - 12)°

145°

(8x - 6)°

274)

66°

(x + 76)°

97°

83°

275)

(3x + 31)°

(19 + 7x)°

(9x - 13)°

76°

276) (14x - 4)°

123°

71°(16x - 10)°

277)

74°

93°

(4x - 36)°

(4x - 59)°

278)

(7x + 17)°(21x - 5)°

(10x - 1)°

121°

279)

(-2 + 22x)°

94°

94°

86°

280)

89°

(3x + 31)° 104°

76°

281)

163°

(2x - 8)°

(4x - 31)°

(2x - 20)°

-25-

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Page 26: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

282)

89°

(5x - 3)°

150°

59°

283)

(6x - 1)°

(19x + 6)°

41°

(19x + 6)°

284)

73°

107°

97°

(11x + 17)°

285)

(13x + 19)°

58°

139°

27°

286)

(2x + 18)°

126°

3x°

(9x - 36)°

287)

(13x + 20)°

60°

94°

(5x + 6)°

288)

(x + 26)°

144° 36°

144°

289) 31°

149°31°

(4 + 5x)°

290) 46°

134°

(12x - 6)°

78°

291)

64°

116° (10x + 2)°

78°

292)

116°

(-14 + 9x)°

114°

(6x - 6)°

293)

47°

(4x - 43)°

47°

133°

-26-

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Page 27: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

294)

57°

123° (3x + 18)°

(8x + 19)°

295)

90°

(2x + 38)° 107°

73°

296)

81°

(7x + 22)°

96°

84°

297)

104°

(4x + 23)°113°

(5x - 24)°

298) 107°

(22 + 13x)°

74°

(5x + 13)°

299)

52°

(20x - 12)°

52°

(17x + 9)°

300)

63°

117°

(6x - 3)°

87°

Use the information within the quadrilaterals to solve the equations for x.

301)

57°

(13x + 32)°

57°

(17x + 4)°

302)

138°

(13x + 20)°(27 + 14x)°

67°

-27-

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Page 28: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

303)

90°

(33x - 9)°

(-3 + 31x)°

(24x + 18)°

304) 40°

(39x - 16)°

40°

(30x + 20)°

305)

53°

127° (25x + 3)°

127°

306)

68°

112° 93°

(5x + 42)°

307)

(26x + 12)°

(35x - 15)°

90°

(36x - 18)°

308)

70°

(58x - 6)°

(55x + 2)°

68°

309)

49°

108°

(18x + 30)°

(2x + 33)°

310) (5x - 72)°

(9x - 98)°(2x + 3)°

127°

311)

(-47 + 16x)°

(3x + 35)°

82°

(2x + 38)°

312)

(-22 + 7x)°

146° (9x - 38)°

146°

313)

47°

(36x - 11)°

(10x + 7)°133°

314) 52°

128°

(12x - 20)°

(16x + 32)°

-28-

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Page 29: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

315)

83°

97°

(17x + 22)°

56°

316)

(24 + 13x)°

72°

96°

103°

317)

47°

133° (10x + 17)°

133°

318) (5x - 234)°

115°(-301 + 7x)°

(2x - 18)°

319)

(16x - 36)°

(26x - 36)°

60°

(23x - 18)°

320)

(23x - 14)°

125° (23x - 14)°

125°

321)

58°

122°

58°

(3x + 2)°

322)

79°

(48x + 5)° (54x - 10)°

(42x - 2)°

323)

86°

94° (58x + 1)°

63°

324)

41°(47x - 2)°

41°(44x + 7)°

325)

(43x - 7)°79°

121°

(44x - 7)°

326)

(10x - 75)°

125°

(x + 42)°

125°

-29-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 30: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

327) (x + 39)°

(4x - 59)°

157°

68°

328)

37°

(25x - 7)° (13 + 4x)°

143°

329)

39°

(16x + 29)°

39°

(23x - 20)°

330)

(-1 + 22x)°

(29x - 23)°(21x + 27)°

69°

331)

(34x + 7)°

(52x + 1)° (-4 + 58x)°

68°

332) (3x + 25)°

143°

(11x - 7)°143°

333)

56°

105° 56°

(41x - 21)°

334)

50°

(67x - 4)°

(27x - 4)°130°

335)

154°

(4x + 33)°

70°

59°

336)

(10x - 28)°

138° (7x - 7)°

(15x + 33)°

337)

(40x + 3)°

97° 95°

85°

338)

(12x + 28)°

92°

101°

(12x + 19)°

-30-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 31: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

339)

(12x + 4)°

128°

52°

128°

340)

86°

78°

(43x + 5)°

(47x + 11)°

341)

(14x - 16)°(8x + 1)°

(22x - 6)°

73°

342)

(4x + 20)°

(24x + 20)° (10x - 10)°

140°

343)

(41x - 4)°

102°

100°

80°

344)

(11x + 11)°

114°

95°

85°

345)

(8x - 17)°

121°

70°

138°

346)

51°

(5x + 7)°

64°(4x + 85)°

347)

(4x - 10)°

150° 30°

150°

348)

35°

145°35°

(46x + 7)°

349) 81° (12x + 15)°

(11x + 31)°

(10x + 2)°

350)

(12x + 23)°

109° 103°

(20x - 3)°

-31-

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Page 32: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

351)

77°

93°

(49x + 9)°

83°

352)

(42x - 12)°

93° 119°

76°

353)

48°

(43x + 3)°

48°

(50x - 18)°

354)

30°

150°

30°

(35x + 10)°

355)

(40x + 1)°

(46x + 7)° (44x + 7)°

85°

356) 84°

96°

(27x - 8)°80°

357)

106°

(15x + 11)°

137°

61°

358) 85°

64°

70°

(44x + 9)°

359)

42°

(40x + 18)°

(9x + 15)°

138°

360)

33°

(19x + 33)°

33°

147°

-32-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 33: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

361) 79°

(15x - 19)°111°

69°362)

96°

21x°

(17 + 27x)°

(-14 + 39x)°

363)

36°

(76x - 8)°

36°

(74x - 4)°

364)

51°129°

51°(41x + 6)°

365)

(9x - 25)°

(21x - 5)° 38°

142°

366)

(12x + 9)°

(28x + 11)°

(28x - 8)°

(15x + 16)°

367)

90°

(42x + 6)° 100°

(39x + 2)°

368)

(3 + 14x)°

101° 99°

(4x + 31)°

369)

(6x + 19)°

137°

43°

137°370)

(21x - 49)°78°

88°33°

371)

45°

(38x - 17)° 45°

(7 + 32x)°

372)

(14x - 28)°

124°56°

124°

-33-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 34: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

373)

75° (6x + 45)°

93°

87°

374) (16x + 13)°

135°45°

135°

375)

81°(32x + 3)°

(32x + 6)°(27x - 3)°

376)

58°

(26x - 8)°

58°

122°

377)

109°

(6x + 3)°(7x + 2)°

129°

378)

83°

(13x + 9)°

(28x - 29)°

(14x - 33)°

379)

41°

139° (11x + 8)°

(52x - 17)°

380)

87°

(26x + 15)° (34x + 8)°

(18x + 16)°

381)

52°

(6x - 256)°

94°(6x - 298)°

382)

125°

90°

(17x - 12)°

72°

383)

90°

65°

(-27 + 24x)°

112°

384) 13x°

(12x + 30)°

125°55°

-34-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 35: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

385)

148°

(23x - 6)°

75°

74°

386)

(45x + 19)°

97°

(21x - 6)°(22x - 14)°

387)

43°

(50x - 13)° (13x + 4)°

137°

388)

87°

93°

106°

(35x + 4)°

389) 77°

103°(11x - 3)°

(15x - 51)°390)

(4x + 22)°14x°

63°

149°

391) (15x + 26)°

106°

(27x - 13)°

73°

392)

74°

106°

(56x + 3)°

65°

393)

60°

8x°

60°

120°

394) 40°

(17x - 47)°(6x - 26)°

(10x + 63)°

395)

(x + 30)°

(6x + 3)°

(-2x + 93)°

129°

396)

(34x + 5)°

(33x + 4)°

(31x - 4)°

61°

-35-

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Page 36: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

397)

(5x + 12)°

148°32°

(38x - 4)°

398)

46°

134°

(10x + 6)°

(31x + 10)°

399)

80°(17x + 15)°

93°

87°400)

80°

(11x + 23)° 94°

86°

-36-

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Page 37: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

Quadrilaterals

Find the value of x for each given quadrilateral.

1)

36°

144°

36°

(7x - 24)°

24

2)

(x + 27)°

134°

(x + 27)°

(6x + 20)°

19

3) 90°

(5x - 20)°

90°

90°

22

4)

86°(x + 41)°

106°(x + 21)°

53

5)

90°

90°

90°

(2x + 30)°

30

6)

(2x + 21)°

107° (2x + 43)°

85°

26

7)

50°

130° (4x - 6)°

130°

14

8)

32°

(5x + 3)°

32°148°

29

9)

58°

122° 58°

(7x + 17)°

15

10) (x + 23)°

135°

45°

(6x + 3)°

22

-1-

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Page 38: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

11)

78°

102°

(37 + 2x)°73°

35

12) 89°

(5x + 21)°

(8x + 2)°(3x + 24)°

14

13) 58°

(11x - 10)°

(5x - 2)°

122°

12

14) (2x + 9)°

(8x + 1)°(x + 26)°

137°

17

15)

(x + 5)°

140° 40°

(35 + 3x)°

35

16)

54°(4x + 26)°

(29 + x)°126°

25

17)

89°

(2x - 29)° 2x°

60°

60

18)

81°

(8x + 11)°

(7x + 18)°

85°

11

19)

(x + 25)°

124°

56°

124°

31

20)

52°

128° 52°

(2x + 44)°

42

21)

48°

(7x + 6)°

48°

(6x + 24)°

18

22)

31°

149°

(2x - 43)°149°

37

-2-

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Page 39: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

23)

(2x - 24)°

102° (2x - 1)°

(x + 28)°

51

24)

64°116°

102°(2x + 2)°

38

25)

(3x + 6)°

132°

48°

132°

14

26)

(x + 2)°149°

31° (4x + 33)°

29

27)

30°

150° 30°

(7x - 25)°

25

28)

44°

136° (x - 1)°

136°

45

29)

(x + 30)°94°

113°

67°

56

30)

64°

(5x + 21)°

110°(3x + 13)°

19

31)

42°

138° 42°

(6x - 24)°

27

32)

(x - 10)°

(2x + 1)°

(x - 10)°

127°

63

-3-

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Page 40: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

33) 56°

124°

(x - 6)°

124°

62

34)

38°

2x°

38°

142°

71

35)

59°

121°

59°(7x - 19)°

20

36)

(6x - 13)°

(5x + 17)° 100°

80°

16

37)

51°

129°

(x + 30)°

(5x + 24)°

21

38)

59°

121° 59°

(8x + 17)°

13

39) (x - 5)°

(5x - 37)°(2x - 42)°

148°

37

40) 88°

92°

112°

(2x + 12)°

28

41)

90°

90°

(14 + 7x)°

68°

14

42)

(x + 22)°

127°(2x - 9)°

127°

31

43)

50°

(9x - 14)°

(3x + 2)°

130°

16

44)

63°

117° (5x - 21)°

(2x + 40)°

23

-4-

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Page 41: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

45)

50°

(8x - 14)° 104°

76°

18

46)

41°

(7x - 22)° (x + 18)°

(5x + 24)°

23

47)

40°

(4x - 44)°

40°

140°

46

48)

(-12 + 3x)°

96° (2x + 31)°

85°

32

49)

87°(9x + 3)°

105°

75°

10

50)

47°

133° (2x - 5)°

(-23 + 6x)°

26

51)

35°

(9x + 1)° 35°

145°

16

52)

84°

96° 94°

(3x - 10)°

32

53) 49°

131°

49°(5x + 26)°

21

54)

(5x - 4)°94°

(6x + 4)°

68°

18

55)

(x + 23)°(x + 53)°

(-3 + 2x)°

79°

52

56)

44°

136°

44°

(3x - 68)°

68

-5-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 42: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

57)

39°

141°

39°

(7x - 20)°

23

58)

31°

(4x - 47)° 95°

(36 + x)°

49

59)

83°

(5x + 27)°

7x°82°

14

60)

(x + 18)°

(8x - 18)°

38°

142°

20

61) (x + 25)°

138°42°

138°

17

62)

(2x - 3)°

147°

(x + 15)°

(7x + 21)°

18

63)

(2x + 24)°

104°

(4x - 8)°

84°

26

64) 79°

101°100°

(7x - 4)°

12

65)

35°

145°

(-1 + x)°

(3x + 37)°

36

66)

33°

147°

(x - 40)°147°

73

67)

(3x + 18)°

(7x + 2)° (5x + 15)°

85°

16

68)

47°133°

(6x + 10)°

(6x + 2)°

14

-6-

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Page 43: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

69)

(x + 2)°

(4x - 42)° 46°

134°

44

70)

57°

123°

(3x - 15)°

123°

24

71)

41°

(3x + 1)° 41°

(4x - 45)°

46

72)

79°

101°

111°

(4x - 3)°

18

73)

82°

98° (5x + 16)°

(5x + 4)°

16

74)

36°

144°

(x + 18)°

144°

18

75) 49°

131°

49°

(5x + 1)°

26

76)

(3 + 2x)°107°

(x + 66)°79°

35

77) 88°

(2x - 16)°

(2x + 1)°

71°

54

78) (6x + 8)°

(8x + 4)°

(8x + 20)°

(6x - 8)°

12

-7-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 44: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

79)

89°

(4x - 25)° 117°

63°

29

80)

59°

(3x + 1)°

109°(x + 31)°

40

81)

(x + 12)°

150° 30°

(8x + 6)°

18

82) 57°

123°(4x - 11)°

(21 + 6x)°

17

83)

58°

(10x - 8)°

94°

(6x + 8)°

13

84) (x + 47)°

107°

90°

90°

26

85) 39°

141°(2x - 7)°

141°

23

86) (4x - 19)° 111°

94°

86°

22

87)

(2x + 7)°

93°

120°60°

40

88)

2x°

4x° 60°

120°

30

89)

(2x + 25)°

117°

93°(11 + 4x)°

19

90) 61°

119°

(2x - 10)°72°

59

-8-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 45: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

91)

74°

(11x - 4)° (9x + 3)°

87°

10

92)

(x + 38)°

107°

(2x + 22)°

88°

35

93)

54°(9x + 18)°

(3x + 18)°(10x + 6)°

12

94)

55°

(7x - 15)° 55°

(7x - 15)°

20

95)

(6x + 15)°

99° 106°

74°

11

96)

52°

(7x - 19)°

52°

(-19 + 7x)°

21

97)

(4x + 3)°

125°

(6x + 12)°

90°

13

98)

80°(6x - 20)°

92°

88°

20

99)

73°

107° (7x - 11)°

(4x + 26)°

15

100)

5x°

5x°

(5x + 19)°

71°

18

Calculate the value of x.

101)

(4x + 18)°90°

90°

90°

18

102)

51°

(3x + 33)°

51°

129°

32

-9-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 46: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

103)

104°

(11x - 3)° 103°

(5x + 12)°

9

104)

90°(5x + 12)°

140°

(6x - 3)°

11

105)

34°

146°

(x - 2)°

(3x + 38)°

36

106) 90°

6x°90°

90°

15

107)

47°

(19 + 6x)°

47°

133°

19

108)

(2x + 20)°120°

(2x + 20)°6x°

20

109)

(10x - 6)°

96°

99°

81°

9

110) (11x + 19)° (6 + 6x)°

86°

79°

10

111)

85°

73°

(2x + 43)°

107°

26

112)

(-85 + 2x)°

133°

(2x - 85)°

(2x + 1)°

66

-10-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 47: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

113)

(2x - 20)°

(4x - 40)°

60°

(4x - 40)°

40

114)

(x - 28)°

(2x + 1)°

41°

(3x - 68)°

69

115)

(6x - 5)°

125°

(5x + 5)°

(12x + 5)°

10

116)

77°

103°

91°

(4 + 5x)°

17

117) 90°

(3x + 12)°

104°

(x + 50)°

26

118)

41°

(11x + 18)°

41°

(13x - 4)°

11

119)

88°

82°

(10x - 10)°

60°

14

120)

(6x - 6)°

(11x + 16)° 54°

126°

10

121)

37°

(9x - 10)°

37°

143°

17

122)

50°130°

(x + 32)° 130°

18

123)

74°

106° 98°

(3x + 31)°

17

-11-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 48: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

124)

89°

(8x + 11)°(12x - 10)°

70°

10

125)

(2x + 9)°

143°(2x + 9)°

143°

14

126) 50°

10x°50°

(11x - 13)°

13

127) 4x°

(5x + 17)°

(11x - 6)°

69°

14

128)

(2x + 26)°

(8 + 3x)°

(6x + 4)°

(2x + 10)°

24

129) 59°

121°

59°

(x + 61)°

60

130)

45°

135°

(x - 22)°

135°

67

131)

66°

114°

(7x + 12)°

84°

12

132)

81°

99°

(7x + 2)°

(3x + 8)°

17

133) 31°

(8x + 5)°(x + 13)°

149°

18

134)

85°

(2x - 84)°

142° (2x - 67)°

71

135) 44° (10x - 14)°

(2x + 14)°136°

15

-12-

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Page 49: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

136) 75°

94°127°

(x + 33)°

31

137)

53°

127°

53°

(6x - 23)°

25

138)

58°

122° (5x - 2)°

(9x + 14)°

12

139)

(5x + 1)°

(7x + 11)° 114°

66°

14

140) 89° (x + 56)°

106°

74°

35

141)

(3x + 6)°123°

(2x + 23)°

123°

17

142) 43°

101°

130°

(7x + 9)°

11

143)

(2x - 1)°141°

39° (6x + 21)°

20

144)

(x + 54)°

94°

72°

(2x - 19)°

53

145)

(x + 20)°

128°

52°

128°

32

146)

31°

(5 + 6x)°

31°

149°

24

147)

72°

(-9 + 13x)° 98°

(9x + 1)°

9

-13-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 50: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

148)

(6x + 12)°

(11x - 2)°

(10x - 4)°

84°

10

149)

75°

(8x + 16)°

109°

(8x + 16)°

9

150)

(x + 15)°

132°

48°

132°

33

151)

(5x - 9)°

(7x + 4)° 70°

(6 + 5x)°

17

152)

79°

(6x + 23)°

109°

71°

13

153)

(2x - 6)°

(7x - 21)°

93°

87°

23

154)

85°

(2x - 31)°

116° 74°

58

155)

59°

(5x - 29)°

59°

121°

30

156)

(2x + 35)°

(3x - 5)°70°

85°

35

157)

42°

138°

(x - 4)°

138°

46

158)

(3x - 1)°

136° (x + 29)°

136°

15

-14-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 51: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

159)

(x + 18)°108°

91°

89°

54

160)

77°

86° 81°

(6x - 22)°

23

161)

55°

125°

(x - 7)°

125°

62

162)

(10x - 9)°

58°

70°

81°

16

163)

38°

142° (x + 18)°

(22 + 6x)°

20

164) (x + 14)° 148°

32°(8x + 4)°

18

165)

(4x + 19)°

113°

(8x - 3)° (8x - 9)°

12

166)

(8x + 13)°

95°

97°

(10x - 7)°

9

167)

104°

63° 12x°

49°

12

168) 56°

124°

56°

(7x - 16)°

20

169)

85°

(x + 57)° 115°

65°

38

170)

86°

94°

(3x - 48)°

81°

49

-15-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 52: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

171)

3x°

135°

(4x - 15)°

135°

15

172) (7x + 13)°

55°

151°

57°

12

173)

(5x - 2)°

122°

(22 + 3x)°

(9x + 14)°

12

174)

(9x + 18)°

101°52°

(8x + 2)°

11

175)

39°

(10x + 1)°

(11 + 2x)°

141°

14

176)

86°

(12x - 2)°

(12x + 10)°

74°

8

177)

76°

104° (7x + 5)°

84°

13

178)

134°

(x - 11)°

95°

(-59 + 2x)°

67

179) 52°

(7x + 16)°52°

128°

16

180)

35°

145°

(x + 6)°145°

29

-16-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 53: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

181) 64°

101°

54°

(20 + 11x)°

11

182)

48°

132°

48°

(5x - 33)°

33

183)

(6x + 5)°

(7x - 7)°

(9x - 12)°

66°

14

184)

69°

(4x + 23)°

114°

66°

22

185)

133°(3 + 6x)°

44°

84°

16

186)

(16 + 9x)°

57°

(10x + 10)°

106°

9

187)

42°

138°

42°

(10x + 18)°

12

188)

71°

(10x + 9)° 105°

75°

10

189)

88°

92° 117°

7x°

9

190)

55°(4x + 5)°

55°157°

22

191)

85°

105°

(6x + 5)°

(3 + 12x)°

9

192) 38°

(7x - 19)°

38°(6x + 4)°

23

-17-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 54: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

193)

79°(10x + 11)°

102°

78°

9

194)

(5x + 5)°

110°

(2 + 7x)°87°

13

195)

124°

(2x - 11)°

(3x - 3)°

45°

41

196)

(4x + 2)°

91°

60°

99°

27

197)

(3x - 14)°

(6x + 5)°

(3x - 14)°

(5x + 26)°

21

198)

(4x - 26)°

90°

116°

(35 + x)°

29

199)

66°

(5x + 24)°80°

90°

20

200)

32°(12x + 4)°

(3x - 4)° (11x + 16)°

12

201) x°

(2x - 37)°

142°114°

47

202) 45°

(-5 + 20x)°

(8x - 11)°135°

7

203) 90°

(6x + 24)°

(9x - 9)°

(9x - 9)°

11

-18-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 55: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

204)

55°

125°

55°

(21x - 1)°

6

205)

(x + 29)°

140° 40°

140°

11

206)

(7x - 15)°

6x°

90°

(8x - 30)°

15

207) (5x + 12)°

98°(9x - 28)°

(5x + 12)°

14

208)

(4x - 1)°

101°(4x + 16)°

(5x - 16)°

20

209)

(4x - 11)°(8x - 13)°

(4x - 11)°(8x - 13)°

17

210)

40°

(13x - 16)° 40°

(12x - 4)°

12

211)

45°

123°

(3x + 14)°

(6x - 38)°

24

212)

53°

127°

53°

(5x + 2)°

25

213)

35°

(20x - 15)°

35°

145°

8

-19-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 56: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

214)

69°

111°

(2x + 50)°

(2x + 42)°

22

215)

62°(3x - 59)°

(2x - 14)°

76°

59

216) 82°

112°(14x + 17)°

65°

6

217)

151°

58°

(3x + 50)°

(4x - 25)°

18

218)

(3x + 21)°

(16 + 8x)°

60°

(7x + 29)°

13

219)

48°

132°

48°

(13x - 24)°

12

220) 30° (3x + 39)°

30°(5x - 35)°

37

221)

63°117°

(3x - 23)°

86°

39

222)

65°

115° 109°

(7x - 13)°

12

223)

(23 + 3x)°

133°

47°

(14x + 21)°

8

-20-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 57: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

224)

(4x - 24)°

108°

(2x + 37)°

(3x - 4)°

27

225)

(7x - 6)°

(6x + 17)°

115°

(3x + 10)°

14

226)

32°

(7x + 1)°(x + 11)°

148°

21

227) 56°

(11x - 8)°

56°

(10x + 4)°

12

228)

(14x + 9)°101°

98°82°

5

229)

145°

2x°(4x - 17)°

2x°

29

230) 56°

124°

(3x - 16)°

124°

24

231)

124°

(4x - 63)°90°

(-x + 86)°

41

232)

37°

(4x + 3)°37°

(6x - 67)°

35

233) 51°

(15x + 9)°

51°

129°

8

-21-

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Page 58: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

234)

(6x - 18)°

120°

(-9 + 8x)°

85°

13

235)

(2x - 45)°

113° 92°

(x + 32)°

56

236)

100°

(15x + 12)°

59°

(16x + 3)°

6

237)

(9x - 4)°

130°

50°

(22x - 2)°

6

238)

(3x - 14)°

(5x - 71)°83°

74°

36

239)

(5x - 7)°

147° 33°

(17x + 11)°

8

240)

60°

120°

3x°

120°

20

241) (10x + 17)°

(15x + 13)°(20x - 12)°

72°

6

242)

33°

147° 94°

(31 + 5x)°

11

243)

134°

(6x - 12)°102°

58°

13

-22-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 59: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

244) (3x + 19)°

134°(5x + 1)°

134°

9

245)

(17x - 6)°

72° (16 + 5x)°

58°

10

246)

58°

(31 + 7x)° (3x + 19)°

122°

13

247)

54°

126° 54°

(2x + 42)°

42

248)

(7x + 13)°104°

96°(10x - 6)°

9

249)

63°

(6x + 3)°164° 70°

10

250)

98°

(15x - 4)° (-10 + 11x)°

(9x - 4)°

8

251)

(5x + 8)°

127° 53°

(14x + 1)°

9

252)

49°

131°

(2x + 17)°

131°

16

253)

72°

108° (7x + 7)°

(7x - 9)°

13

254)

(4x + 15)°101°

(5x + 34)° 66°

16

255)

35°

(10x + 25)° 35°

(12x + 1)°

12

-23-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 60: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

256) (17x + 1)° 80°

(11x + 11)°72°

7

257)

(6x + 6)°

132°

48°(20x - 8)°

7

258)

(2x - 19)°

66°

83°3x°

46

259)

(4x + 13)°

(18x + 13)° 41°

(18x + 13)°

7

260)

(29 + 3x)°

(4x + 18)°118°

62°

19

261) 86°

(5x - 6)°

(4x + 20)°

80°

20

262) 30°

150°

30°6x°

25

263)

104°

61° (8x - 19)°

(5x + 32)°

14

264)

(7x + 1)°137°

43°

137°

6

265) (18x + 10)°

77°

(10x + 12)°

93°

6

266) 36° (4x - 48)°

36°144°

48

267)

38°

142° (3x + 8)°

142°

10

268) (3x + 24)°

(4x + 9)°108°

72°

21

269)

55°

125° 55°

(6 + 7x)°

17

-24-

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Page 61: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

270)

(3x - 22)°

(3x - 2)°

(x + 68)°

(4x - 58)°

34

271) 121°

(7x + 17)°

104°

(4x + 8)°

10

272)

38°

(14x + 16)°

38°

142°

9

273)

(26 + 7x)°

(8x - 12)°

145°

(8x - 6)°

9

274)

66°

(x + 76)°

97°

83°

38

275)

(3x + 31)°

(19 + 7x)°

(9x - 13)°

76°

13

276) (14x - 4)°

123°

71°(16x - 10)°

6

277)

74°

93°

(4x - 36)°

(4x - 59)°

36

278)

(7x + 17)°(21x - 5)°

(10x - 1)°

121°

6

279)

(-2 + 22x)°

94°

94°

86°

4

280)

89°

(3x + 31)° 104°

76°

20

281)

163°

(2x - 8)°

(4x - 31)°

(2x - 20)°

32

-25-

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Page 62: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

282)

89°

(5x - 3)°

150°

59°

13

283)

(6x - 1)°

(19x + 6)°

41°

(19x + 6)°

7

284)

73°

107°

97°

(11x + 17)°

6

285)

(13x + 19)°

58°

139°

27°

9

286)

(2x + 18)°

126°

3x°

(9x - 36)°

18

287)

(13x + 20)°

60°

94°

(5x + 6)°

10

288)

(x + 26)°

144° 36°

144°

10

289) 31°

149°31°

(4 + 5x)°

29

290) 46°

134°

(12x - 6)°

78°

9

291)

64°

116° (10x + 2)°

78°

10

292)

116°

(-14 + 9x)°

114°

(6x - 6)°

10

293)

47°

(4x - 43)°

47°

133°

44

-26-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 63: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

294)

57°

123° (3x + 18)°

(8x + 19)°

13

295)

90°

(2x + 38)° 107°

73°

26

296)

81°

(7x + 22)°

96°

84°

11

297)

104°

(4x + 23)°113°

(5x - 24)°

16

298) 107°

(22 + 13x)°

74°

(5x + 13)°

8

299)

52°

(20x - 12)°

52°

(17x + 9)°

7

300)

63°

117°

(6x - 3)°

87°

16

Use the information within the quadrilaterals to solve the equations for x.

301)

57°

(13x + 32)°

57°

(17x + 4)°

7

302)

138°

(13x + 20)°(27 + 14x)°

67°

4

-27-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 64: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

303)

90°

(33x - 9)°

(-3 + 31x)°

(24x + 18)°

3

304) 40°

(39x - 16)°

40°

(30x + 20)°

4

305)

53°

127° (25x + 3)°

127°

2

306)

68°

112° 93°

(5x + 42)°

9

307)

(26x + 12)°

(35x - 15)°

90°

(36x - 18)°

3

308)

70°

(58x - 6)°

(55x + 2)°

68°

2

309)

49°

108°

(18x + 30)°

(2x + 33)°

7

310) (5x - 72)°

(9x - 98)°(2x + 3)°

127°

25

311)

(-47 + 16x)°

(3x + 35)°

82°

(2x + 38)°

12

312)

(-22 + 7x)°

146° (9x - 38)°

146°

8

313)

47°

(36x - 11)°

(10x + 7)°133°

4

314) 52°

128°

(12x - 20)°

(16x + 32)°

6

-28-

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Page 65: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

315)

83°

97°

(17x + 22)°

56°

6

316)

(24 + 13x)°

72°

96°

103°

5

317)

47°

133° (10x + 17)°

133°

3

318) (5x - 234)°

115°(-301 + 7x)°

(2x - 18)°

57

319)

(16x - 36)°

(26x - 36)°

60°

(23x - 18)°

6

320)

(23x - 14)°

125° (23x - 14)°

125°

3

321)

58°

122°

58°

(3x + 2)°

40

322)

79°

(48x + 5)° (54x - 10)°

(42x - 2)°

2

323)

86°

94° (58x + 1)°

63°

2

324)

41°(47x - 2)°

41°(44x + 7)°

3

325)

(43x - 7)°79°

121°

(44x - 7)°

2

326)

(10x - 75)°

125°

(x + 42)°

125°

13

-29-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 66: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

327) (x + 39)°

(4x - 59)°

157°

68°

31

328)

37°

(25x - 7)° (13 + 4x)°

143°

6

329)

39°

(16x + 29)°

39°

(23x - 20)°

7

330)

(-1 + 22x)°

(29x - 23)°(21x + 27)°

69°

4

331)

(34x + 7)°

(52x + 1)° (-4 + 58x)°

68°

2

332) (3x + 25)°

143°

(11x - 7)°143°

4

333)

56°

105° 56°

(41x - 21)°

4

334)

50°

(67x - 4)°

(27x - 4)°130°

2

335)

154°

(4x + 33)°

70°

59°

11

336)

(10x - 28)°

138° (7x - 7)°

(15x + 33)°

7

337)

(40x + 3)°

97° 95°

85°

2

338)

(12x + 28)°

92°

101°

(12x + 19)°

5

-30-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 67: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

339)

(12x + 4)°

128°

52°

128°

4

340)

86°

78°

(43x + 5)°

(47x + 11)°

2

341)

(14x - 16)°(8x + 1)°

(22x - 6)°

73°

7

342)

(4x + 20)°

(24x + 20)° (10x - 10)°

140°

5

343)

(41x - 4)°

102°

100°

80°

2

344)

(11x + 11)°

114°

95°

85°

5

345)

(8x - 17)°

121°

70°

138°

6

346)

51°

(5x + 7)°

64°(4x + 85)°

17

347)

(4x - 10)°

150° 30°

150°

10

348)

35°

145°35°

(46x + 7)°

3

349) 81° (12x + 15)°

(11x + 31)°

(10x + 2)°

7

350)

(12x + 23)°

109° 103°

(20x - 3)°

4

-31-

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Page 68: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

351)

77°

93°

(49x + 9)°

83°

2

352)

(42x - 12)°

93° 119°

76°

2

353)

48°

(43x + 3)°

48°

(50x - 18)°

3

354)

30°

150°

30°

(35x + 10)°

4

355)

(40x + 1)°

(46x + 7)° (44x + 7)°

85°

2

356) 84°

96°

(27x - 8)°80°

4

357)

106°

(15x + 11)°

137°

61°

3

358) 85°

64°

70°

(44x + 9)°

3

359)

42°

(40x + 18)°

(9x + 15)°

138°

3

360)

33°

(19x + 33)°

33°

147°

6

-32-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 69: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

361) 79°

(15x - 19)°111°

69°

8

362)

96°

21x°

(17 + 27x)°

(-14 + 39x)°

3

363)

36°

(76x - 8)°

36°

(74x - 4)°

2

364)

51°129°

51°(41x + 6)°

3

365)

(9x - 25)°

(21x - 5)° 38°

142°

7

366)

(12x + 9)°

(28x + 11)°

(28x - 8)°

(15x + 16)°

4

367)

90°

(42x + 6)° 100°

(39x + 2)°

2

368)

(3 + 14x)°

101° 99°

(4x + 31)°

7

369)

(6x + 19)°

137°

43°

137°

4

370)

(21x - 49)°78°

88°33°

10

371)

45°

(38x - 17)° 45°

(7 + 32x)°

4

372)

(14x - 28)°

124°56°

124°

6

-33-

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Page 70: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

373)

75° (6x + 45)°

93°

87°

10

374) (16x + 13)°

135°45°

135°

2

375)

81°(32x + 3)°

(32x + 6)°(27x - 3)°

3

376)

58°

(26x - 8)°

58°

122°

5

377)

109°

(6x + 3)°(7x + 2)°

129°

9

378)

83°

(13x + 9)°

(28x - 29)°

(14x - 33)°

6

379)

41°

139° (11x + 8)°

(52x - 17)°

3

380)

87°

(26x + 15)° (34x + 8)°

(18x + 16)°

3

381)

52°

(6x - 256)°

94°(6x - 298)°

64

382)

125°

90°

(17x - 12)°

72°

5

383)

90°

65°

(-27 + 24x)°

112°

5

384) 13x°

(12x + 30)°

125°55°

6

-34-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-

Page 71: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

385)

148°

(23x - 6)°

75°

74°

3

386)

(45x + 19)°

97°

(21x - 6)°(22x - 14)°

3

387)

43°

(50x - 13)° (13x + 4)°

137°

3

388)

87°

93°

106°

(35x + 4)°

2

389) 77°

103°(11x - 3)°

(15x - 51)°

9

390)

(4x + 22)°14x°

63°

149°

7

391) (15x + 26)°

106°

(27x - 13)°

73°

4

392)

74°

106°

(56x + 3)°

65°

2

393)

60°

8x°

60°

120°

15

394) 40°

(17x - 47)°(6x - 26)°

(10x + 63)°

10

395)

(x + 30)°

(6x + 3)°

(-2x + 93)°

129°

21

396)

(34x + 5)°

(33x + 4)°

(31x - 4)°

61°

3

-35-

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Page 72: Quadrilaterals - Free Math Worksheets · (2x + 1)° (x - 10)° 127°-3-You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-33) 56° 124°

397)

(5x + 12)°

148°32°

(38x - 4)°

4

398)

46°

134°

(10x + 6)°

(31x + 10)°

4

399)

80°(17x + 15)°

93°

87°

5

400)

80°

(11x + 23)° 94°

86°

7

-36-

You may use this math worksheet as long as you help someone learn math. -> MATHX.NET <-