Answer
16.4 in
Work Step by Step
$sin( \beta) = AC/AB$
Simplifying, we find:
$ABsin( \beta) = AC$
This gives:
$AC=20(sin(55))=16.4 in$
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 11.1 - The Sine Ratio and Applications - Exercises - Page 505: 36b
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