SOLUTION: In traveling three-fourths of the way around a traffic circle a car travels 0.221mi. What is the radius of the traffic circle

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Question 313838: In traveling three-fourths of the way around a traffic circle a car travels 0.221mi. What is the radius of the traffic circle
Answer by nerdybill(7384) About Me  (Show Source):
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In traveling three-fourths of the way around a traffic circle a car travels 0.221mi. What is the radius of the traffic circle
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Circumference of a circle is 2(pi)r
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so,
(3/4)(2)(pi)r = 0.221
(3/4)(2)(3.14)r = 0.221
(3/2)(3.14)r = 0.221
(4.71)r = 0.221
r = 0.221/4.71
r = .047 miles