Answer
$c\approx19.1$ in.
$d\approx14.8$ in.
Work Step by Step
$\cos51=\frac{12}{c}$
$c=\frac{12}{\cos51}$
$c\approx19.1$
$\sin51=\frac{d}{c}$
$\sin51\approx\frac{d}{19.1}$
$19.1\times\sin51\approx d$
$d\approx14.8$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 11 - Section 11.2 - The Cosine Ratio and Applications - Exercises - Page 510: 21
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