Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - 8.6 Circles - 8.6 Exercises: 28

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
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