Answer
12ft
Work Step by Step
$\frac{8}{20}=\frac{x}{30}$
20x=240
x=12ft
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 - Review Exercises - Page 42: 23
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