Answer
$= 458$ m$^{2}$
Work Step by Step
$A = \frac{1}{2}acsin(B)$
$= (0.5)(76.3)(42.8)sin(16.3)$
$= (0.5)3265.64sin(16.3)$
by GDC / calculator
$= (0.5)(916.55...)$
$= 458.2782....$ m$^{2}$
$= 458$ m$^{2}$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 7 - Section 7.4 - The Area of a Triangle - 7.4 Problem Set - Page 396: 14
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