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How do you figure out circumference?

User Vinothp
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2 Answers

3 votes
The circumference of a circle is as follows

given the Diameter:
C= \pi *d
given the radius:
C=2* \pi *r
User Enfinet
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4 votes
if you know the diameter of the circle, multiply the diameter by PI

if you know the radius of the circle multiply the radius by 2 then multiply by PI

User Olivmir
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