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Home > CC3 > Chapter 9 > Lesson 9.1.4 > Problem 9-45


is similar to .

  1. Find the scale factor from to .

    Find the scale factor between two given similar sides for the two shapes.

    The scale factor is .

  2. Find .

    Divide the side corresponding to side by the scale factor.

  3. Find .

    Multiply the matching side by the scale factor.

Smaller Triangle, A,B,C, with sides labeled as follows: A,C, is 8. A,B, is 3. B,C, is x.

Larger triangle, D,E,F, with sides as follows: D,E, is 15. D,F, is y. Side E,F, is 38.5.