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Why can C Pi x d or C 2 x Pi x r be used to find circumference?

Waffelman788 ∙

Lvl 1

∙ 13y ago

Updated: 9/21/2023

Because [ d = 2 r ].

Wiki User

∙ 13y ago

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Why is pi used to find the circumference of a a circle?

Because the circumference is equal to the diameter multiplied by pi or the radius multiplied by 2*pi.

What formula is used to find the circumference when you know the radius?

Circumference=2*pi*radius

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

You divide circumference / (2 x pi).You divide circumference / (2 x pi).You divide circumference / (2 x pi).You divide circumference / (2 x pi).

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

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

How can you find the circumference of circle?

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

Related Questions

How is pi used to find the circumference of circles?

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

Why is pi used to find the circumference of a a circle?

Because the circumference is equal to the diameter multiplied by pi or the radius multiplied by 2*pi.

What formula is used to find the circumference when you know the radius?

Circumference=2*pi*radius

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

You divide circumference / (2 x pi).You divide circumference / (2 x pi).You divide circumference / (2 x pi).You divide circumference / (2 x pi).

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 do you find radius with only the circumference?

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

How do you find out the circumference of a circle?

Circumference = 2*pi*radius or diameter*pi

How you find circumference?

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

Is the radius one fourth of the circumference?

No. It is circumference/(2*pi)No. It is circumference/(2*pi)No. It is circumference/(2*pi)No. It is circumference/(2*pi)

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

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

How do you find the area with the circuferenece?

Circumference = 2*pi*rr = circumference/2*pi---------------------------Now, you have radius.Area = pi*r2========

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

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

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