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How do you find the circumference if known the radius?

Updated: 11/3/2022

Wiki User

∙ 13y ago

Best Answer

The formula for circumference is pi times diameter. Since a radius is always half the diameter, you just multiply it by 2 and then by pi.

Wiki User

∙ 13y ago

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How do you find the radius if circumference is given?

Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)

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

easy you just double it. Additional answer No, that's incorrect. If you double the radius you get the diameter. To get the circumference you multiply the radius by 2 then by 3.142. 3.142 is known as pi

How do you find the radius of a circle with the circumference in terms of pi?

find the radius of a circle with circumference of 42.1

What is the circumference when the radius is r?

To find the circumference of a circle, use the equation: Circumference = 2*π*radius so when the radius is r, the circumference is 2πr

How can you find the diameter and the radius if the circumference is given?

Diameter = circumference/pi Radius = circumference/2*pi

Related questions

How do you find circumference and area of a circle if radius is known?

Circumference = 2*pi*radius Area = pi*radius2

How do you find the circumference of a circle using the radius?

Circumference = 2*pi*radius So the radius = circumference/2*pi

How do you find the radius if circumference is given?

Divide the circumference by 2PI to find the radius. ( C = 2PI*Radius)

How do you find radius with only the circumference?

Circumference = 2*pi*radius So Radius = Circumference/(2*pi)

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

easy you just double it. Additional answer No, that's incorrect. If you double the radius you get the diameter. To get the circumference you multiply the radius by 2 then by 3.142. 3.142 is known as pi

How do you find the radius of a circle with the circumference in terms of pi?

find the radius of a circle with circumference of 42.1

How do you find the radius if you the the circumference?

Circumference = 2 x Pi x Radius Radius = Circumference / (2 x Pi).

What is the circumference when the radius is r?

To find the circumference of a circle, use the equation: Circumference = 2*π*radius so when the radius is r, the circumference is 2πr

How do you find circumference using radius'?

Circumference of a circle = 2*pi*radius

When given radius how do you find the circumference?

Circumference = 2 * radius * pi (where pi is approx = 3.14159)So Radius = Circumference / (2 * pi)

How can you find the diameter and the radius if the circumference is given?

Diameter = circumference/pi Radius = circumference/2*pi

How do you find the radius when you have the circuference?

circumference = pi * 2radius (diameter) so to find radius you use circumference/(2 x pi) this will find radius ----

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How do you find the circumference if known the radius?

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