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: 22

Answer

$x\approx34.2$ ft $y\approx32.7$ ft

Work Step by Step

$\sin17=\frac{10}{x}$ $x=\frac{10}{\sin17}$ $x\approx34.2$ $\cos17=\frac{y}{x}$ $\cos17\approx\frac{y}{34.2}$ $34.2\times\cos17\approx y$ $y\approx32.7$
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