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How do you figure the circumference of a circle given the radius?

Anonymous

∙ 12y ago

Updated: 8/20/2019

The radius is half of the diameter in a circle. First, you have to find the diameter by multiplying the radius by 2. Then, multiply the diameter by pi. The formula to find the circumference is: C= PI(d).

EXAMPLE:

radius= 3

diameter= 3(2)

C= PI(d)

C= PI(6)

C= 18.84955592...

Wiki User

∙ 12y ago

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