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: 8

Answer

8a) θ = 90$^{\circ}$ 8b) θ = 180$^{\circ}$ 8c) 0$^{\circ}$ $\lt$ θ $\lt$ 90$^{\circ}$ 8d) 90$^{\circ}$ $\lt$ θ $\lt$ 180$^{\circ}$

Work Step by Step

A right angle equals to 90$^{\circ}$, a straight angle equals to 180$^{\circ}$, an acute angle is between 0$^{\circ}$ and 90$^{\circ}$, an obtuse angle is between 90$^{\circ}$ and 180$^{\circ}$.
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