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Q: How can I find circumference when only area is given?

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You can not find the circumference when only area is given. you need other details relating to shape. minimum parameter should be provided to find the required parameter.

S = C2/pi where S is the surface area, C is the circumference.

Area = Circumference squared divided by 4pi.

Divide the circumference by (2*pi)

If you only have a given diameter you have to multiply the diameter by Pi (3.142) or 3.14 and then you get the circumference!

Circumfrences are only for circles.

The Perimeter of a circle is it's circumference. And the circumference is the diameter times pi. So to find the area, divide the circumference by pi, and get the diameter. Then divide the diameter by 2, to get the radius. Then multiply the radius times itself, and multiply that by pi.

Find the radius by dividing the circumference by 2pi then find the area of the base and multiply it by the height

area=pi * r2 so divide the area by pi and take the sqrt to find the radius then circumference= 2 * pi * r

Area of a circle is: A=π*r2 and r=circumference/2. Find 1/2 of the circumference and square it (multiply by same number), then multiply by pi.

The circumference is equal to pi times the diameter. To find the diamter take the circumference and divide by pi. Pi = 3.14

Square feet are a measure of area, and the area of a circle is usually given by the equation: a = πr2 The circumference of a circle is given with the equation: c = 2πr To find the area of the circle given only it's circumference, we can rearrange the circumference equation, solving it for r, and then substituting it into our radius equation in place of r. c = 2πr r = c / 2π a = πr2 a = π(c / 2π)2 a = πc2 / 4π2 a = c2/π So the area of a circle is equal to the square of it's circumference divided by pi.

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