Similar polygons have corresponding angles that are congruent and corresponding sides that are proportional. If two polygons are similar, the ratio of their perimeters is equal to the ratios of their corresponding side lengths.

1. Terms of Endearment
Similar Polygons: 8.3

2. Similar Polygons
• Corresponding angles are congruent
• Corresponding sides are
proportional

3. Theorem:
• If two polygons are similar, the ratio
of their perimeters is equal to the
ratios of the side lengths