Solve each equation. 1.x + 6 = 25 2. x + 7 + 13 = 33 3.5x = 540 4. x + 10 = 2x 5.For the triangle at the right, use the Triangle Angle-Sum Theorem to find the value of y. (For help, go to Algebra Review, page 30.) GEOMETRY LESSON 4-1 Congruent Figures 4-1 Check Skills You ’ ll Need x = 19 x = 13 x = 108 x = 10 y = 50
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Solve each equation. 1.x + 6 = 252.x + 7 + 13 = 33 3.5x = 5404.x + 10 = 2x 5.For the triangle at the right, use the Triangle Angle-Sum Theorem to find.
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Geometric figures are congruent if they are the same size and shape. Corresponding angles and corresponding sides are in the same position in polygons with an equal number of sides.
Two polygons are congruent polygons if and only if their corresponding sides and corresponding angles are congruent.
Show how you can conclude that CNG DNG. List statements and reasons.
Congruent triangles have three congruent corresponding sides and three congruent corresponding angles.Examine the diagram, and list the congruent corresponding parts for CNG and DNG.
Sample: Two pairs of corresponding sides and two pairs of corresponding angles are given. C A because all right angles are congruent. BD BD by the Reflexive Property of . ABD CDB by the definition of congruent triangles.