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What is the radius, in centimeters, of a circle that has a circumference of 16 pie centimeters?
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What is the radius, in centimeters, of a circle that has a circumference of 16 pie centimeters?

User Peter Kluegl
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Well the circumference of a circle is 2PiR, and we have Pi down. The diameter is 2x the radius, in which the formula says "2PiR", we can conclude we already have the diameter. If it is 16, the radius is 8.
User Ronatory
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