Answer
$25.24983\ mi$
Work Step by Step
Use the given figure and the Law of Cosines, we have $BC=\sqrt {(AB)^2+(AC)^2-2(AB)(AC)cosA}=\sqrt {(22.47928)^2+(28.14276)^2-2(22.47928)(28.14276)cos58.56989^\circ}\approx25.24983\ mi$
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 8 - Application of Trigonometry - Quiz - Page 773: 9
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