Respuesta :

kiranicoleg

Answer:

C = 12.57

Step-by-step explanation:

Circumference formula: C = 2πr

divide 4 by 2

4/2 = 2

plug it in

C = 2π(2)

C = 12.57
the answer is 12.57 , circumference is pi (3.14) x diameter (which in this case is 4) so the answer is 12.57

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