#### Answer

$180^\circ$ is a straight angle.

#### Work Step by Step

An angle of $180^\circ$ is a straight angle by definition.

Chegg costs money, GradeSaver solutions are free!

Published by
Cengage

ISBN 10:
978-1-337-61408-5

ISBN 13:
978-1-33761-408-5

$180^\circ$ is a straight angle.

An angle of $180^\circ$ is a straight angle by definition.

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.