Respuesta :

Answer:

C≈35.45

a = pi r2

c=2 pi r2

debmc7
Well area = pi •r^2, so the radius for this is 10 (because 10x10=100). I don’t know what they mean by the circumference in terms of pi.

But if the radius is 10, the circumference is 20 (2•r =20)

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