Lesson: Complementary and Supplementary Angles

In this lesson, we will learn how to identify supplementary and complementary angles and how to apply these relationships in order to find a missing angle.

Sample Question Videos

00:51

Worksheet: 25 Questions • 1 Video

Q1:

In the given diagram, and are two adjacent angles that lie on the same line. Find an equation for their sum.

Q2:

Given the following figure, find .

Q3:

A pair of supplementary angles are in the ratio of . What is the smaller angle?

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