Answer
right angle at 90 degrees
Work Step by Step
This angle is right because the rays that form it are perpendicular to each other.
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 8 - Geometry - Review Exercises - Page 611: 10
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