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A = C^2/(4 pi)

The area of the circle is...

The circumference squared...

divided by 4...

divided by pi

If you already know the area, then you can multiply it by 4*pi, and then the square root of the product is equal to the circumference!

C = (A*(4 pi))^(1/2)

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โˆ™ 2011-07-27 20:27:55
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Q: When given a circumference how do you find the area?
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Related questions

How do you find the area of a circle given the circumference?

Area = (circumference squared)/(4 pi)


How do you find the circumference of a circle with the area given?

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


How do you find the circumference when area is given?

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.


How can I find circumference when only area is given?

Radius = square root of (area/pi) Circumference = 2*pi*radius


How do you find the area when circumference given?

Divide the circumference by 2*pi which will give the value of the radius. Then use p*radius2 to find the area of the circle.


How do you find the surface area of a sphere when only given the circumference?

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


How do you find the surface area of a cylinder when given the height and circumstance?

Entire surface area of a cylinder = (2*pi*radius^2)+(circumference*height) If you are given the circumference then radius = circumference/2*pi


If the area of a circle is given as 67cm squared find the diameter and then circumference of this circle?

If the area of a circle is given as 67cm squared, the diameter is 9.236 cm and the circumference is 29.02 cm


How do you find the area if given the circumference of a circle?

Times length times width


How do you find the area of a circle if only given the circumfe rence?

Area = Circumference squared divided by 4pi.


How do you find the area of a circle without knowing the radius?

If the circumference or diameter is given then you can find the radius or simply measure the distance from the centre of the circle to the circumference.


How do you determine perimeter if given the area?

To find area given perimeter, rename perimeter to circumference and solve with these formulas: Circumference = 2πr (or 2 * π * r) Area = πr^2 (or π * r * r) With these the area can be found from circumference(or perimeter) as follows: A = π(C / 2π)^2 Now, to find the perimeter given the area; We use A = πr^2 and rearrange then solve: r = √(A / π) So, the circumference would be 2πr = 2π√(A / π)

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