Answer
$32.97~ft$
Work Step by Step
The length of the shadow is the adjacent side of the right triangle:
$tan~20°=\frac{opp}{adj}$
$tan~20°=\frac{12}{adj}$
$adj=\frac{12}{tan~20°}=32.97~ft$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.7 - Applications and Models - 6.7 Exercises - Page 494: 18
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