Answer:
[tex]S.A=96\pi m^2[/tex]
Step-by-step explanation:
The surface area of a right circular cylinder is given by the formula;
[tex]S.A=2\pi r(r+h)[/tex]
where [tex]h=8m[/tex] is the height of the cylinder and
[tex]r=4m[/tex] is the radius of the cylinder.
We plug in these values into the formula to obtain;
[tex]S.A=2\pi \times4(4+8)[/tex]
[tex]S.A=8 \times12 \pi[/tex]
[tex]S.A=96\pi m^2[/tex]