Respuesta :

Answer:

C = 21.98 ft^2

A  = 38.465 ft^2

Step-by-step explanation:

The  diameter is 7 ft

The radius is 1/2 of the diameter so 1/2 *7 = 3.5 ft

Circumference = pi*d

C =pi* 7

C =3.14 *7

   = 21.98 ft^2


A = pi*r^2

  = 3.14 (3.5)^2

   = 3.14 (12.25)

   = 38.465 ft^2

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