the circumference of a circle is 12pie inches. find the radius and the area
The rule for the circumference of a circle is:
C = 2piR, where R is the radius.
So if the circumference (C) is 12, [ then:
12pi = 2piR
Divide both sides by 2:
6pi = piR
Divide both sides by pi,
R = 6
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Asked 4/30/2012 1:24:16 PM
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