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By dividing its circumference by 2*pi will give the radius of the circle and its area = pi*radius2
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โˆ™ 2014-04-09 13:26:49
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Q: How do you calculate the area of a circle if you know the circumference?
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Related questions

How do you fund the circumference of circle when you know the area?

You dived the area by the circumference of the circle.


How do you calculate the area of a curcumfrence?

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)


How do you covert area into circumference?

Well, you can't really "convert" it, but I assumeyou want to calculate the circumference from the area. First, you need to know what figure you are talking about. For the specific case of a circle, I suggest you use the formula for the area of a circle, replace the known area, and solve for the radius. Once you have that, it is easy to calculate the circumference.


What may be calculated from its diameter?

If by "it" you mean a circle, once you know the diameter, you can calculate its radius, its circumference, and its area.


How do you convert area of circle if you know the circumference?

It depends on what you want to convert the area of the circle into.


How do you find the diameter of a circle in the terms of pi?

To find the diameter of a circle, you will either need to know the area or its circumference. If you know the area: diameter = 2 x squareroot(area / Pi) If you know the circumference diameter = circumference / Pi


How do you find the area of a circle if you only know its circumference?

Divide its circumference by 2*pi which will give the radius of the circle. Area of the circle then is pi*radius squared


How do you find the circumference if you a have the area?

You can find the circumference of a circle if you know its area by using the formulas for area and circumference. First, use the formula for area: A = pi r2. Replace A with the number for the area. Solve the formula for r, the radius of the circle, dividing A by pi and taking the square root of the answer. Once you have the number for r, the radius of the circle, plug that value in place of r in the formula for the circumference: C = 2 pi r. Then you can calculate the circumference of the circle by multiplying pi times twice the radius.


How do you know circumference?

The circumference is the perimeter of a circle, total outer length of a circle. Use 2 x (pi) x r to calculate the circumference, where (pi)= 3.142, r= radius of circle. :)


How do you find the area of a circle if the circumference is 10?

We know that the area of a circle is pi * r2. We also know that the circumference of a circle is pi * d. Therefore, when you know the circumference of a circle and want to know the area, divide the circumference by pi to give you the diameter of the circle, divide the diameter by 2 to give you the radius, square the radius and then multiply by pi to get the area. So, 10/pi = 3.183. 3.183/2 = 1.5915. 1.59152 = 2.533 2.533 * pi = 7.958 to 3 decimal places. The area of your circle is therefore 7.958cm2.


How do you calculate the area from the circumference?

The area of a circle (A) is pi x r x r.The circumference of a circle (C) is pi x d, or pi x 2r.So if you know C, you can calculate r using the formula C = pi x 2r or r = C/2piOnce you know r, you can calculate A using the formula A = pi x r x r


How do you calculate the diameter of a circle if you know the circumference?

To get the diameter d is to divide the circumference C by pi. d = C / pi

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