Answer
Ans. r=6.7unit
Work Step by Step
Given:-Length of arc=7unit θ=60°
We know that
Length of arc=2πr×θ/360
7=2×22/7×r×${60/360}$
r=6.70unit
Ans.
Calculus, 10th Edition (Anton)
by Anton, Howard
Published by
Wiley
ISBN 10:
0-47064-772-8
ISBN 13:
978-0-47064-772-1
Appendix B - Trigonometry Review - Exercise Set B - Page A24: 34
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