Answer
$14\ m$
Work Step by Step
1. Use the figure given in the exercise, we have angle $C=90-66+8=32^\circ$
2. Use the Law of Sines, we have $\frac{sinB}{x}=\frac{sinC}{8.0}$, thus $x=\frac{8.0sin66^\circ}{sin32^\circ}\approx14\ m$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 8 - Application of Trigonometry - Test - Page 844: 15
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