#### Answer

$90^\circ$ is a right angle.

#### Work Step by Step

An angle with a measure of $90^\circ$ is called a right angle.

Published by
Brooks Cole

ISBN 10:
1439047901

ISBN 13:
978-1-43904-790-3

$90^\circ$ is a right angle.

An angle with a measure of $90^\circ$ is called a right angle.

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