### Home > INT2 > Chapter 3 > Lesson 3.1.1 > Problem 3-9

3-9.

Each pair of polygons below is similar. Review what you have learned about similarity as you solve for .

Ratios of corresponding sides are equal in similar figures.

One figure has been rotated, so the

and are corresponding sides.

If the perimeter of the right rectangle is

, what is the width?