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Mathematics 7 Online
OpenStudy (anonymous):

how do i find the circumfrence of a circle?

OpenStudy (anonymous):

Circumference is the diameter times pi... Or you can multiply the radius by two and then multiply pi by the product

OpenStudy (anonymous):

2(pi)(radius) is the formula, is there a specific question that relates to it besides how to find it?

OpenStudy (anonymous):

what would the formula be for area then?

OpenStudy (anonymous):

(pi)(radius)^2

OpenStudy (ashleyisakitty):

the formula for what you're looking for is 2*pi*radius

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