Respuesta :

Answer:

282.72ft^2

Step-by-step explanation:

A=2(pi)rh+2(pi)r^2

A=2(pi)(3)(9)+2(pi)(3)^2

A=2(pi)(27)+2(pi)(9)

A=2(84.82)+2(28.27)

A=169.64+113.08

A=282.72