Respuesta :

Trancescient

Step-by-step explanation:

The surface area of a cylinder is given by

[tex]A = 2\pi r^2 + 2\pi rL[/tex]

[tex]\:\:\:\:=2\pi(3\:\text{cm})^2 + 2\pi(3\:\text{cm})(12\:\text{cm})[/tex]

[tex]\:\:\:\:= 282.7\:\text{cm}^2[/tex]

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