Warmup: Angles in Quadrilateralsbolusmath.weebly.com/uploads/5/7/9/0/57901811/quadrilaterals... · pg. 1249 (1-4, 7-10, 15, 17) 28° 57° ... C. Has at least one pair of parallel Post on 19-Apr-2018
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Click to see full reader Page 1 Warmup: Angles in Quadrilaterals
For 1-3, find all the missing angle measures.
1) 2)
3)
105°
75°
75°
52°
128° 128°
95°
120°
Page 2 Homework Answers
pg. 1249 (1-4, 7-10, 15, 17)
28° 57°
Page 6 Quiz Tomorrow
Know everything on the review sheet How to draw the special segments of
triangles Triangle Midsegment Theorem All Properties of Quadrilaterals
Know how to do proofs with diagonals and match statements and reasons in a proof
Page 7 Write a two-column proof.
Given: ABCD is a parallelogram.
Prove: ∆AEB ∆CED
Page 8 FACT: The diagonals of a rectangle are congruent.
A B
C D
𝑨𝑪 ≅ 𝑩𝑫
How could we
prove this???
Page 9 FACT: The diagonals of a rhombus are perpendicular.
A
B
C
D
𝑨𝑪 ⊥ 𝑩𝑫
How could we
prove this???
Page 10 Most specific Name?
Rectangle
Page 11 Most specific Name?
Rhombus
Page 12 Most specific Name?
Trapezoid
Page 13 Most specific Name?
Kite
Page 14 Most specific Name?
Parallelogram
Page 15 Most specific Name?
Quadrilateral
Page 16 Most specific Name?
Isosceles Trapezoid
Page 17 Most specific Name?
Kite
Page 18 Most specific name?
Parallelogram
Page 19 Which is not necessarily a rhombus?
Page 20 Which MUST be a square?