Answer
$Area = 372.7~m^2$
Work Step by Step
Let $b = 52.1~m$
Let $c = 21.3~m$
Let $A = 42.2^{\circ}$
We can find the area:
$Area = \frac{1}{2}bc~sin~A$
$Area = \frac{1}{2}(52.1~m)(21.3~m)~sin~42.2^{\circ}$
$Area = 372.7~m^2$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 7 - Applications of Trigonometry and Vectors - Section 7.1 Oblique Triangles and the Law of Sines - 7.1 Exercises - Page 299: 52
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