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what is the radius of the inside of the sewer pipe if the circumference of the outside of the pipe is 12.56 feet.
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what is the radius of the inside of the sewer pipe if the circumference of the outside of the pipe is 12.56 feet.

User Isac
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Start out from the circle cicumference formula (2πR).

12.56 = 6,28 * R
R = 12.56 / 6,28 = 2 feet
User Sergey Salnikov
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