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Divide the area by pi. Find the square root of your result. Multiply this by 2. Now multiply this by pi. There is your circumference.

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A = pi*r^2, C = 2*pi*r. Since you know circumference, r = C/2/pi, so A = pi*(C/2/pi)^2 = C2 / (4*pi)

Q: How do you find area from circumference?

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you divide the surface area by the circumference.

To find the area of a circle knowing only the circumference, you can use the formula A = (C^2) / (4π), where A is the area and C is the circumference. Square the circumference, then divide it by 4π to get the area.

Square root (Area/pi) to get the radius Then 2xRadiusxPi= Circumference

If the object is a circle and if 9.5 is the diameter, the area is 70.88 and the circumference is 29.85

If the object is a circle and if 24 is the diameter, the area is 452.39 and the circumference is 75.4

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Area = circumference squared... You do circumference divided by 4,... and then divide that by Pi.

you divide the surface area by the circumference.

The circumference is: 32.1

To find the area of a circle knowing only the circumference, you can use the formula A = (C^2) / (4π), where A is the area and C is the circumference. Square the circumference, then divide it by 4π to get the area.

Square root (Area/pi) to get the radius Then 2xRadiusxPi= Circumference

If the object is a circle and if 9.5 is the diameter, the area is 70.88 and the circumference is 29.85

If the object is a circle and if 24 is the diameter, the area is 452.39 and the circumference is 75.4

The area of a circle when the circumference is 10 inches is: 7.96 square inches.

Circumference = 2*pi*radius Area = pi*radius2

Circumference = 2*Ï€*r where r is the radius So r = circumference/(2*Ï€) Then Area = Ï€*r2

What do you have? The area of the circle or the circumference? Area: divide the area by pi, then square root it Circumference: divide the circumference by 2 then divide it by pi

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