Respuesta :

Answer:

16 pi ft^2

Step-by-step explanation:

C = 2 * pi *r

4 pi = 2* pi *r

Divide each side by 2pi

4pi/2pi = 2pi r/2pi

2 = r

We can find the surface area

SA = 4 pi r^2

    = 4 * pi * (2)^2

    = 16 pi ft^2

Answer:

here ya go:

16 pi ft^2