Chapter 9, Lesson 5


9-5.A understand the meaning of corresponding as applied to polygons
If quadrilateral FROG is similar to quadrilateral BIRD, which statements are true?
I
Vertex R of FROG corresponds to vertex R of BIRD.
II Side FG of FROG corresponds to side BD of BIRD.
III Side FR of FROG corresponds to side BI of BIRD.
(a) I and II only (b) I and III only (c) II and III only (d) I, II, and III

9-5.B identify attributes of similar polygons
If two polygons are similar, which statements are true?
I
Corresponding angles are congruent.
II Corresponding sides are in proportion.
III The perimeters are equal.
(a) I and II only (b) I and III only (c) II and III only (d) I, II, and III

9-5.C apply the angle-sum theorem for triangles
Find the measures of angles a, b, and c.