# Similarity

### Learn

Identify your areas for growth in these lessons:

Identify your areas for growth in these lessons:

Test your understanding of

**Similarity**with these 9 questions.If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content
# Similarity

### Learn

### 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.

Identify your areas for growth in these lessons:

Identify your areas for growth in these lessons:

Test your understanding of **Similarity** with these 9 questions.