Answer
$10.8$ square cm.
Work Step by Step
The formula $A=0.5r^2\theta$ requires the angles to be in radius.
Hence here the area of the sector: $s=0.5r^2\theta=0.5\cdot3^2(2.4)=10.8$ square cm.
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 3 - Test - Page 172: 21
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