3 years ago

What's the equation for circumference

2 answers:

8 0

If youknow the diameter of the circle, then
   Circumference = (π) x (Diameter).

If youknow the radius of the circle, then
   Circumference = (π/2) x(radius).

If you know the area of the circle, then
   Circumference= 2 √ (π A) .

otez555 [7]3 years ago

7 0

$\sf d=diameter \\ R=radius \\ C=2 \pi R \\ 2 \pi=d \\ C=d*R$

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