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Subjects>Math>Other Math

How do you find a diameter of a circle?

Anonymous

∙ 14y ago

Updated: 4/28/2022

If you have the circumference:

circumference = (pi) * diameter

diameter = circumference / (pi)

If you have the area:

area = (pi) * radius * radius

radius = square_root(area / pi)

radius = diameter / 2

diameter = 2 * square_root(area / pi)

Wiki User

∙ 14y ago

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More answers

Those in need of finding the diameter of a circle will need to do a little math. The formula involved is to multiply the radius of the circle by two.

Wiki User

∙ 10y ago

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Continue Learning about Other Math

How do you find the diameter of a circle with the width and length?

The width, or the length of a circle are its diameter.

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

Divide the known circumference by pi to find the diameter of the circle.

What would be the radius of a circle with a diameter of 8 inches?

Radius is one-half of the diameter of a circle. Therefore, the radius of an eight-inch diameter circle is four inches. The diameter of a circle is a straight line joining a point on the circumference through the centre to the 'opposite' point on the circumference.

How do I figure the area of a circle by diameter?

To find area of a circle using diameter, you use this formuler. Area=pi(diameter/2)(diameter/2)

What is the diameter of a circle if the radius is 27 cm?

When you have the radius of a circle and you are trying to find the diameter, multiply the radius by two; the answer is the diameter. If you have the diameter and want to find the radius, divide the diameter by two; the answer will be the radius. The diameter is 54 centimeters.

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