Main content

### Course: 7th grade > Unit 9

Lesson 3: Vertical, complementary, and supplementary angles- Angles: introduction
- Name angles
- Complementary & supplementary angles
- Vertical angles
- Identifying supplementary, complementary, and vertical angles
- Complementary and supplementary angles (visual)
- Complementary and supplementary angles (no visual)
- Complementary and supplementary angles review
- Vertical angles are congruent proof
- Vertical angles
- Finding angle measures between intersecting lines

© 2024 Khan AcademyTerms of usePrivacy PolicyCookie Notice

# Identifying supplementary, complementary, and vertical angles

## Problem

Stuck?

Stuck?