Answer
$10.39 \ square \ units$
Work Step by Step
We apply the area formula:
$k=\dfrac{1}{2} a \ b \sin C$
Plug in the given data.
Therefore, $k=\dfrac{1}{2} (6)(4) \sin (60^{\circ}) \approx 10.39 \ square \ units$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 7 - Applications of Trigonometric Functions - Section 7.4 Area of a Triangle - 7.4 Assess Your Understanding - Page 565: 16
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