Similar Polygon Key Points

​Similar Polygons have congruent angle and proportional sides.

Congruent Polygons have congruent angles and congruent sides

​Similarity Symbol: ∼

Similarity Statement: ΔABC ∼ΔDEF

The 3 Similarity Shortcuts

Example: AA Similarity

​When I am using AA Similarity I am looking for two sets of corresponding angles that are congruent.

Example: SSS Similarity

​With SSS Similarity I am looking to prove that all the side ratios are the same.

Example: SAS Similarity

​With SAS Similarity we want to find that two sets of corresponding sides are proportional and that the included corresponding angles are congruent