Answer
(a) 120 feet
(b) 115 feet
Work Step by Step
(a) Using the formula for circumference:
$$ C=\pi D \\ C= 3.14 \times 38.1 \ feet \\ C= 120\ feet$$
(b) Using the same formula:
$$ C= 3.14 \times 36.5 \ feet \\ C= 115 \ feet$$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 7 - Measurement - 7.1 Problem Solving with U.S. Measurement Units - 7.1 Exercises - Page 485: 66
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