Answer
Yes, the sign is correct.
Work Step by Step
1 in = 0.0833 ft
Therefore:
9(0.083 ft) = 0.7497 ft
12ft + 0.7497 ft = 12.7497 ft
Circumference of a Circle: $C$ = $\pi$$d$
Therefore:
$C$ = (3.14)(12.7497 ft )
$C$ = 40.03 ft $\approx$ 40 ft
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 8 - Geometry - 8.6 Circles - 8.6 Exercises - Page 575: 28
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