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# Similarity

## Definitions of similarity

Practice
Similarity & transformationsGet 3 of 4 questions to level up!

## Introduction to triangle similarity

Practice
Determine similar triangles: AAGet 3 of 4 questions to level up!
Determine similar triangles: SSSGet 3 of 4 questions to level up!

## Solving similar triangles

Practice
Solve similar triangles (basic)Get 3 of 4 questions to level up!
Solve similar triangles (advanced)Get 3 of 4 questions to level up!

## Angle bisector theorem

Practice
Solve triangles: angle bisector theoremGet 3 of 4 questions to level up!

## Solving problems with similar & congruent triangles

Practice
Use similar & congruent trianglesGet 3 of 4 questions to level up!

## Solving modeling problems with similar & congruent triangles

### About this unit

Learn what it means for two figures to be similar, and how to determine whether two figures are similar or not. Use this concept to prove geometric theorems and solve some problems with polygons.