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A wet bicycle tire leaves a trace of water on the floor. The tire has a radius of 14 inches,and the bicycle wheel mkes 3 full rotations before stopping. How long is the trace of water on the floor?
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A wet bicycle tire leaves a trace of water on the floor. The tire has a radius of 14 inches,and the bicycle wheel mkes 3 full rotations before stopping. How long is the trace of water on the floor?

User Dmytro Grynets
by
8.4k points

1 Answer

6 votes
radius = 14 inches
one round of the tire =
2 \pi r
one round of the tire =
2 \pi (14)
one round of the tire = 87.96 inches
three rounds of the tire = 87.96 x 3 = 263.89 inches
User Darwyn
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7.7k points
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