Answer
$c\approx9.2$ in.
$d\approx7.7$ in.
Work Step by Step
$\cos57=\frac{5}{c}$
$\frac{5}{cos57}=c$
$c\approx9.2$
$\sin57=\frac{d}{c}$
$\sin57\approx\frac{d}{9.2}$
$9.2\times\sin57\approx d$
$d\approx7.7$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 11 - Section 11.2 - The Cosine Ratio and Applications - Exercises - Page 511: 18
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