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Algebra/diameters and revolutions formula's

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Expert: - 9/26/2006


Question
20" diameter wheel how far will it go in on complete revolution just need the formula would help for pre algebra question

Answer
One complete revolution means the wheel travels the distance completely around the wheel. This is the circumference of the wheel, circumference = (pi)x(diameter)
In your problem, the diameter is 20" , so

circumference = (pi)x(20)= (3.14159)x(20) = 62.8318"

Algebra

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