Answer
$583\ ft$
Work Step by Step
Use the figure given in the exercise, assume the ceiling of the cloud is $x\ ft$ high, we have $tan30.0^\circ=\frac{x-6}{1000}$, thus $x=6+1000tan30.0^\circ\approx583\ ft$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - 5.4 Solutions and Applications off Right Triangles - 5.4 Exercises - Page 550: 54
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