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6-58.

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, labeled as follows: side, D G, 2 Y + 7, Side, D O, 1 tick mark, Side, O G, 2 tick marks, and side, D G, 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).