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: 13

Answer

$120^{\circ}$: Obtuse Supplement: $60^{\circ}$ Complement: $-30^{\circ}$

Work Step by Step

Angles greater than 90 are obtuse. An angle and its supplement add up to 180. 60 + 120 = 180 An angle and its complement add up to 90. -30+120 = 90
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