# Unit 7: Angles, triangles, and prisms

## Lesson 1: Relationships of angles

### Practice

Name anglesGet 5 of 7 questions to level up!

### Practice

Complementary and supplementary angles (visual)Get 3 of 4 questions to level up!

### Practice

Vertical anglesGet 3 of 4 questions to level up!
Finding missing anglesGet 5 of 7 questions to level up!
Finding angle measures between intersecting linesGet 3 of 4 questions to level up!

## Lesson 5: Using equations to solve for unknown angles

### Practice

Create equations to solve for missing anglesGet 5 of 7 questions to level up!
Unknown angle problems (with algebra)Get 5 of 7 questions to level up!

## Lesson 7: Building polygons (part 2)

### Practice

Triangle side length rules Get 3 of 4 questions to level up!

## Lesson 11: Slicing solids

### Practice

Cross sections of 3D objects (basic)Get 3 of 4 questions to level up!

## Lesson 15: Distinguishing volume and surface area

### Learn

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### Practice

Volume and surface area word problemsGet 3 of 4 questions to level up!