Answer
$469\ m$
Work Step by Step
Use the figure, we have $A=90^\circ-32^\circ30'=57^\circ30', b=252\ m$, thus $c=\frac{b}{cosA}=\frac{252}{cos57^\circ30'}\approx469\ m$
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 548: 46
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