Answer
Sine ratio
$d=7.5$ ft
Work Step by Step
$\sin70^{\circ}=\frac{d}{8}$
$8\sin70^{\circ}=d$
$d=7.5$ ft
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 11 - Review Exercises - Page 524: 2
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