Answer
35 yd
Work Step by Step
Two semicircles add up to create full circle that has perimeter 2$\pi$r
Total length is:
2$\pi$r +2$\times$110=440
2$\pi$r=220
r=$\frac{110}{\pi}$$\approx$35
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.7 - Modeling with Equations - 1.7 Exercises - Page 76: 46
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