Answer
$x=3705~ft$
Work Step by Step
Let $\theta$ be the angle between $d$, the hypotenuse, and the vertical side of the right triangle:
$\theta=90°-39°=51°$
$tan~\theta=\frac{opp}{adj}$
$tan~51°=\frac{x}{3000}$
$x=3000~tan~51°\approx3705$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - P.S. Problem Solving - Page 505: 5b
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