Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 1 - Section 1.2 - Angles and Their Relationships - Exercises - Page 48: 41

Answer

45 degrees

Work Step by Step

We are told that the overall angle is 90 degrees. Since the bisector splits the angles exactly into two, it follows that the two individual angles must be half of 90 degrees, which is 45 degrees.
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