Answer
$76^\circ$
Work Step by Step
Let the elevation angle be $\theta$, we have
$tan\theta=\frac{rise}{run}=\frac{200}{50}=4$, thus $\theta=tan^{-1}4\approx76^\circ$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 4 - Cumulative Review Exercises - Page 648: 20
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