Answer
$A=\frac{1}{2}·7.5^2·\frac{2\pi}{3}=18.75\pi=58.9~mm^2$
Work Step by Step
$A=\frac{1}{2}r^2θ$
$A=\frac{1}{2}·7.5^2·\frac{2\pi}{3}=18.75\pi=58.9~mm^2$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - Review Exercises - Page 500: 30
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