Respuesta :

18757191296

C=2piR

c=2*4pi

c=8pi

that is it.

bandzlvr

Answer:

8 π

Step-by-step explanation:

Circumference formula is C = 2 π r

So you plug in radius which is 4.

It would look like this.

2 * π * 4

= 8 π

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