Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 11 - Section 11.2 - The Cosine Ratio and Applications - Exercises - Page 510: 29

Answer

$33.6^{\circ}$

Work Step by Step

$\cos\theta=\frac{10}{12}$ $\theta=\cos^{-1}\frac{10}{12}$ $\theta\approx33.6$
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