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Expert-verified Found in: Page 689 ### Pre-algebra

Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776 # What can you say about the measures of two vertical angles?

The measures of two vertical angles are equal.

See the step by step solution

## Step 1. Given Information.

Two vertical angles.

## Step 2. Explanation.

Vertical angles are angles that are formed opposite to each other when two lines intersect at a point. In the above figure, the two lines intersect at a point to form four angles $\angle 1,\text{}\angle 2,\text{}\angle 3,$ and $\angle 4$. Among the four angles, $\angle 1$ and $\angle 3$ are vertical angles and their measures are equal. Similarly, $\angle 2$ and $\angle 4$ are vertical angles and their measures are equal too.

Therefore, it can be said that the measures of two vertical angles are equal. ### Want to see more solutions like these? 