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: 3

Answer

180$^{\circ}$

Work Step by Step

In any triangle, the sum of the three interior angles is always 180$^{\circ}$.
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