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Home > CCG > Chapter 3 > Lesson 3.2.2 > Problem 3-65

3-65.

Solve for the missing lengths in the sets of similar figures below. You may want to set up tables to help you write equations.  

  1. vertex

    top edge

    vertex

    left edge

    interior rectangle

    vertex

    vertex

    vertex

    top edge

    vertex

    left edge

    interior rectangle


     

    vertex

    vertex

    If each pair of shapes is similar, then  and .

    Start to solve for each variable by multiplying both sides of the equation by the lowest common denominator.

    Check your answers!

  2. Triangle  X, Y, Z , with side X, Z, 39 millimeters, and side, Y, Z, w, millimeters. The second triangle N, O, P, with side N, P, 3 millimeters and side, N, P, 7 millimeters.