Answer
$91^{\circ}$
Work Step by Step
1. Interior angles of triangle add up to 180 degrees
$x+52^{\circ}+37^{\circ}=180^{\circ}$
2. Solve for x to find the angle
$x=180^{\circ}-37^{\circ}-52^{\circ}$
$x=91^{\circ}$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 1 - Trigonometric Functions - Section 1.2 Angle Relationships and Similar Triangles - 1.2 Exercises - Page 16: 15
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