Answer
$x=10$ ft
$y\approx17.3$ ft
Work Step by Step
$\cos60=\frac{x}{20}$
$20\times\cos60=x$
$x=10$
$\sin60=\frac{y}{20}$
$20\times\sin60=y$
$y\approx17.3$
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 - Section 11.2 - The Cosine Ratio and Applications - Exercises - Page 503: 20
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