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the circumference is two times the radius, or 2r. so if the radius was 3, the circumference would be 6. if the radius was 4, the circumference is 8.

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Q: What is the formula for finding the circumference with radius?
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Related questions

What is the formula for finding the radius of a circle when you have the circumference?

Divide the circumference by 2*pi because 2*pi*radius = circumference


What is the formula for finding the circumference of a circle when you only know the radius?

Circumference = 2 x pi x radius


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2*pi*radius = perimeter or circumference of a circle radius = circumference/2*pi


How do you Find The Perimeter of a Circle With Radius?

this is called finding the circumference. The formula is 2*pie*radius


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The formula for the circumference of a circle is pi * diameter or (2 radius.)


What formula is pi d?

It is the formula for finding the circumference of a circle which is the same as 2*pi*radius


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pi x 2r


What is the formula for finding the radius of a circle when you have to find the circumference?

Divide by 3.14 then by 2


What is the formula for finding circumfernce?

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


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1/2 diameter or the circumference/pi/2


What is the formula for finding the diameter of a circle when the circumference is given?

the Circumference is pi times 2 times radius If you know circumference then you can find the radius. once you know the radius just multiply by 2 to find the diameter.


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Formula for finding the circumference of a circle: 2 multiplied by pi multiplied by radius