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# How can I find circumference when only area is given?

Updated: 10/18/2022

Wiki User

8y ago

Radius = square root of (area/pi)

Wiki User

8y ago

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Q: How can I find circumference when only area is given?
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### 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 area of a circle if only given the circumfe rence?

Area = Circumference squared divided by 4pi.

### How do you find the area when given circumference?

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 do you find circumference with given diameter?

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!

### How do you find the radius of a circle when only given the circumference?

Divide the circumference by (2*pi)

### How do you find the area of a circle when you are only given its perimeter?

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.

### How do you fin the surface area of a cylinder if you only have the height and circumference?

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

### Can you find the area of a square if you have the circumference?

Circumfrences are only for circles.

### How do you Find the circumference when you only have the are?

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

### How do you find the area of a circle when the only information you have is the circumference?

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

### How do you figure square feet using a circumference?

Square feet are a measure of area, and the area of a circle is usually given by the equation: a = &pi;r2 The circumference of a circle is given with the equation: c = 2&pi;r 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 = 2&pi;r r = c / 2&pi; a = &pi;r2 a = &pi;(c / 2&pi;)2 a = &pi;c2 / 4&pi;2 a = c2/&pi; So the area of a circle is equal to the square of it's circumference divided by pi.

### How do you find the diameter of a circle if you are only given the circumference in explanation fomrm?

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