Lesson: Vertically Opposite Angles Mathematics • 7th Grade

In this lesson, we will learn how to investigate the relationship between angles in intersecting lines and find the measure of unknown angles.

Lesson Video

Q1:

If two angles are vertically opposite, are they equal in measure?

Q2:

Given that lines and intersect at , find .

Q3:

In the figure, lines and intersect at . What is ?

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