CPM Homework Banner

Home > GC > Chapter 7 > Lesson 7.2.5 > Problem 7-83

7-83.

Suppose you know that and that , , , and .

  1. On your paper, draw a reasonable sketch of and .

    Triangle T, A, P with side lengths 14 on side T, A, with 1 tick mark, 21 on side T, P, with 3 tick marks, and 18 on side A, P with 2 tick marks.          Triangle D, O, G with side length 2 Y + 7 on side D, G. Sid D, O has 1 tick mark, Side O, G, has 2 tick marks, and side D, G, has 3 tick marks.

  2. Find . Show all work.

    How are these triangles related? How can that relationship help you find ?

    , because corresponding sides are congruent (equal).