Answer
16.8 ft.
Work Step by Step
First, we find the circumference of the wheel:
$$ c= \pi \cdot d \\ c = \pi \cdot 16 $$
It revolves four times, so we find:
$$d= 16\pi \times 4 \\ d= 64 \pi \\ d \approx 201.88/12 \ ft$$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter R - Section R.3 - Geometry Essentials - R.3 Assess Your Understanding - Page 37: 47
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