Answer
$13.2$ miles
Work Step by Step
Since, $\tan \theta= \dfrac{Opposite}{Adjacent}$
$\tan (90-28)^{\circ}= \dfrac{h}{7} $
Solve for $h$:
$ h=7 \tan (90-28)^{\circ}=13.2$ miles
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 - Section 4.8 - Applications of Trigonometric Functions - Exercise Set - Page 639: 53
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