Answer
$42$ cm$^{2}$
Work Step by Step
$A=\frac{1}{2}bc\sin\alpha$
$A=\frac{1}{2}(8)(12)\sin60$
$A\approx42$
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 - Test - Page 534: 15
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