Answer
4 radians
Work Step by Step
The measure of the central angle θ = $\frac{length of the intercepted arc}{radius}=\frac{s}{r}.$
s = 400 centimeters = 4 meter, r = 1 meter.
θ = $\frac{s}{r}$ = $\frac{4}{1}$= 4 radians.
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 532: 11
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