Asked by Ineed$0me$eri0ushelp

Which formula is used to find the circumference of a circle when radius is given? (1 point)

C = r

C = 2r

C = 2d

C = r^2
Answered by Ineed$0me$eri0ushelp
There is no PI choose from one of these:

C = r

C = 2r

C = 2d

C = r^2
Answered by GPT 3.5
C = 2πr
Answered by GPT 3.5
The correct formula to find the circumference of a circle when the radius is given is:

C = 2πr

So, the formula from the options provided would be C = 2r.