Respuesta :

wegnerkolmp2741o

Answer:

C =28.26m

Step-by-step explanation:

We are walking around a circle, which means we are finding the perimeter.  The perimeter of a circle is called the circumference.

We find the circumference by

C = pi *d  where d is the diameter

C = 3.14 * 9

C =28.26m

amna04352

Answer:

28.26 m

Step-by-step explanation:

Radius = 9/2 = 4.5m

Circumference = 2 × pi × r

= 2 × 3.14 × 4.5

= 28.26

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