How do you find circumference of a circle when all you have is the radius

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Guest Dec 3, 2013

Guest · Answer 1 · 2013-12-03T12:40:15

Circumference = Pi * Radius * 2

Melody · Answer 2 · 2013-12-03T01:12:00

yes,
normally written
C=2*pi*r

It is just that if you put the 2 at the end it is more likely to be confused with A = pi*r^2