## 8.3 Similar Polygons

Theorem 8.1

If two polygons are similar, then the ratio of their perimeters is equal to the ratios of their corresponding side lengths.

## Goal of 8.3

Goals of 8.3: Identify similar polygons and use similar polygons to solve real-life problems

## Vocab

Similar Polygons: Two polygons such that their corresponding angles are congruent and the lengths of corresponding sides are proportional.

Scale Factor: The ratio of the lengths of two corressponding sides of two similar polygons.

## Find the value of Z.

Set up a proportion that cantains EF.

Answer:

Z = 4

## 8.3 Practice Problems

Title.