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Area = pi * r2

Circumference = 2 * pi * r

Pi = 3.141592

r = square root of Area/pi

Cir then = 2 * pi * (square root of Area/pi)

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โˆ™ 2010-05-16 00:15:53
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Q: What is the mathematical formula for figuring the circumference of a circle when the square foot area is all that is known?
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Related questions

What is formula for figuring diameter of a circle?

diameter = circumference / pi diameter = radius * 2


Is there a mathematical formula for calculating pi?

Yes and it is for any circle: circumference/diameter = pi


What is the mathematical formula for finding the circumference?

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In order to calculate the circumference of a circle one must use a specific formula. The mathematical formula is C = D x 3.14. This translates to the circumference being equal to the diameter multiplied by 3.14, which is the equivalent to pi.


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2 x pi x r (radius) or pi x d (diameter) equal circumference of a circle.


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The formula for the circumference of a circle is the same, whatever its diameter. Circumference = pi*diameter.


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There is no circumference of a cone, but, we only do the circumference of the circle. the formula for the circle is pi times D. D= Diameter


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