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Q: How do you calculate the circumference of a circle when you have the area?

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The circumference and area of a circle, with radius r is: circumference = 2*pi*r and area = pi*r2 Use the first to calculate r and then the second to calculate the area.

Pi is the number of times the diameter of a circle will fit into the circumference. Pi is not a circle, and does not have a circumference or area. To calculate a circumference USING pi, the circumference is diameter * pi. To find the area using pi, area = pi * radius * radius

By dividing its circumference by 2*pi will give the radius of the circle and its area = pi*radius2

Pi can be used to calculate the area of a circle Pi can be used to calculate the circumference of a circle

C program on how to calculate circumference of a circle? The formula; 2 * Pi * Radius = circumference Will calculate the circumference of a circle.

Using the Circumference And Area.

you use pi to calculate the area or circumference of a circle

the formula to calculate the circumference of a circle is the diameter of the circle x 3.14 or "pie"

There's no such thing as the "area of a circumference", no matter how you spell it.A circumference is a length, representing the distance around a circle, and doesn'thave an area.If you know the circumference of a circle, and you call it 'C', then the area of the circle isC2 / (4 pi)

Because of the radius of the circle

r, for radius

Well, what you do is you would find the circumference, or the distance around the circle.

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