Respuesta :

Answer:

A. 56.52 cm

Step-by-step explanation:

Formula:

Circumfrence= 2πr

r (radius) = 9 cm

C = 2πr

C = 2 x 3.14 x 9 cm

C = 6.28 x 9 cm

C = 56.52 cm

Circumfrence is 56.52 cm
It’s “A” the answers

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