Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 3 - Section 3.4 - Basic Constructions Justified - Exercises - Page 158: 21

Answer

The red angle is the complement. In order to create this angle, first create a ray at a 90 degree angle with the bottom ray of the initial angle. Then, making this one side of the angle, using the second ray of the initial ray as the second ray of the complement.

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