Respuesta :

Answer:

[tex]128\pi[/tex]

Step-by-step explanation:

[tex]2\pi rh + 2 \pi r^{2}[/tex]

[tex]2\pi (4)(12) + 2\pi (4^{2} )\\2\pi (48) +2\pi (16)\\96\pi +32\pi \\128\pi[/tex]