Main content

# Unit 8: Plane figures

800 possible mastery points

Mastered

Proficient

Familiar

Attempted

Not started

Quiz

Unit test

## About this unit

In this unit, you'll become an expert on plane figures! You'll learn how to find the area of parallelograms and triangles, and even take on the challenge of composite figures. You'll also get some practice finding missing lengths and breaking down shapes into simpler parts. Get ready to show those plane figures who's boss!### Learn

### Practice

- Area of parallelogramsGet 3 of 4 questions to level up!
- Find missing length when given area of a parallelogramGet 3 of 4 questions to level up!

### Learn

### Practice

- Find base and height on a triangleGet 3 of 4 questions to level up!
- Area of right trianglesGet 3 of 4 questions to level up!
- Area of trianglesGet 5 of 7 questions to level up!
- Find missing length when given area of a triangleGet 3 of 4 questions to level up!

### Learn

### Practice

- Decompose area with trianglesGet 3 of 4 questions to level up!
- Area of composite shapesGet 3 of 4 questions to level up!

Up next for you:

Level up on all the skills in this unit and collect up to 800 Mastery points!