Answer
$\approx94.46$
Work Step by Step
The area of a triangle can be calculated by multiplying two sides' length and the sine of their included angle by $0.5$. Hence here the area is: $0.5\cdot12\cdot18\cdot\sin(61^\circ)\approx94.46$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 13, Trigonometric Ratios and Functions - Chapter Test - Page 901: 27
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