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the circumference of a circle is pi time the diameter

Q: How do you create a circumference formula?

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circumference=r2pi

Because:- circumference/diameter = pi and when the formula is rearranged circumference = pi*diameter

The formula for the circumference of a circle is the same, whatever its diameter. Circumference = pi*diameter.

use the formula pi*diameter = circumference and the formula diameter = 2*radius and combine them 2pi*radius = circumference now you have a formula that you can just plug you numbers into. if you have 3 as your radius, then this is how to find the circumference 2pi*3=circumference 6.28*3=circumference 18.84=circumference

There is no circumference of a cone, but, we only do the circumference of the circle. the formula for the circle is pi times D. D= Diameter

They both are a formula

Formula: diameter = pi / circumference

Formula of Circumference of a circle: 3.14*Diameter of the circle. You could also do: 3.14*3.14*radius.

Area = (Circumference)2/(4*pi)

the formula is: circumference= p*diameter

circumference = pi multiplied by the diameter

to find the circumference of a circle you do 2 times3.14timesthe radius