Answer
4 unit
Work Step by Step
Given-
angle, $\theta$ = 2 rad
arc, s = 8 unit
radius, r = ?
We know that -
r = $\frac{s}{\theta}$
= $ \frac{8}{2}$
= 4 unit
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 6 - Section 6.1 - Angle Measure - 6.1 Exercises - Page 479: 56
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