Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 1 - Section 1.1 - Angles, Degrees, and Special Triangles - 1.1 Problem Set: 64

Answer

$90^{\circ}$

Work Step by Step

Complementary angles add up to $90^{\circ}$ $0^{\circ} + X^{\circ} = 90^{\circ}$ $X = 90^{\circ}$
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