Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 1 - Trigonometric Functions - Section 1.1 Angles - 1.1 Exercises - Page 7: 24

Answer

90$^{\circ}$

Work Step by Step

x+x= 180$^{\circ}$ 2x = 180$^{\circ}$ x = 90 $^{\circ}$
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