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Circumference of a circle = 2*pi*radius or diameter*pi

Area of a circle = pi*radius squared

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9y ago

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Find the circumference of a circle with an area of 82?

The circumference is: 32.1


Find the area of a circle when the circumference is 10in?

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


If the area of a circle is 201.06 then the circumference of the circle is?

The formula to find the circumference of a circle is C = 2πr, where r is the radius of the circle. To find the circumference, you first need to find the radius by using the formula for the area of a circle (A = πr^2). Given that the area is 201.06, you can solve for the radius. Once you have the radius, you can plug it into the formula C = 2πr to find the circumference.


What is the circumference and area of a circle that has a radius of 4?

To find the circumference of a circle then multiply pi (3.14159265...) by the diameter of the circle. To find the area then multiply pi by the radius squared.


A circle has an area of 962pcm2 Find the circumference of the circle?

3020.68cm2


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

Area of a circle = 3.14 * r2 Thus, radius, r = root of ( Area of a circle / 3.14 ) --------- equation 1 Circumference of circle = 2 * 3.14 * r Therefore, from (equation 1), Circumference = 2 * 3.14 * root of ( Area of a circle / 3.14 ). In a nutshell, first find the radius and then the circumference.


How do you find the area of a circle after you've got the circumference?

Area of the circle = (circumference)2 / (4 pi)Area = 0.0796 circumference2(rounded)


How do you find the radius of a circle using an equation?

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


How do you find the circumference of a circle when you know the area?

OK, SO to find the area of a circle, you find the radius (half of the diameter), and fit it into the equation πr2=A where r equals radius and A = area. The perimeter of a circle is π multiplied by the diameter. π is ≈ 3.1415296.


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 area of a circle when the only information you have is the circumference?

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


Find the area and circumference of 9.5?

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

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