## Trigonometry (10th Edition)

Published by Pearson

# Chapter 1 - Trigonometric Functions - Section 1.1 Angles - 1.1 Exercises: 19

#### Answer

107 $^{\circ}$ and 73 $^{\circ}$

#### Work Step by Step

Supplementary angles sum up to 180 $^{\circ}$ 10x + 7 + 7x + 3 = 180 $^{\circ}$ 17x + 10 = 180$^{\circ}$ 17x = 170$^{\circ}$ x = 10$^{\circ}$ 10$\times$10 + 7 = 107 $^{\circ}$ 7$\times$10 + 3 = 73 $^{\circ}$

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