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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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โˆ™ 2015-12-03 10:26:08
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Q: How do i find circumference and area of a circle?
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Find the area of a circle when the circumference is 10in?

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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.


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 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 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 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


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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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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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