Main content

# Unit 4: Triangles and congruence

400 possible mastery points

Mastered

Proficient

Familiar

Attempted

Not started

Quiz

Unit test

## About this unit

Learn what it means for two figures to be congruent, and how to determine whether two figures are congruent or not. Use this immensely important concept to prove various geometric theorems about triangles and parallelograms.

### Learn

### Practice

- Congruence & transformationsGet 3 of 4 questions to level up!

### Learn

### Practice

- Justify triangle congruenceGet 3 of 4 questions to level up!

### Learn

### Practice

- Determine congruent trianglesGet 5 of 7 questions to level up!
- Prove triangle congruenceGet 3 of 4 questions to level up!

Up next for you:

Level up on all the skills in this unit and collect up to 400 Mastery points!