Respuesta :

Answer: 28.27

Step-by-step explanation:

To find circumference, formula is :

C = 2(pi) R

The diameter of the above circle is 9, making the radius 4.5

When you plug 4.5 in as R in the equation above, you get 28.27 as the answer

Answer:

56.55

Step-by-step explanatio

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