Answer
3$\pi$ inches $\approx$ 9.42 inches
Work Step by Step
θ =45 ° = $\frac{\pi}{4}$
As we know, s = θr .
So, s = 12 x $\frac{\pi}{4}$ = 3$\pi$ inches $\approx$ 9.42 inches.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 4 - Section 4.1 - Angles and Radian Measure - Exercise Set - Page 533: 71
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