[tex]\displaystyle\\
A_b = \pi R^2 = \pi \cdot 8^2 = \boxed{\bf 64\pi~cm^2}\\\\
A_l= \frac{2\pi RG}{2}=\pi RG =\pi\cdot 8 \cdot 10 = \boxed{\bf 80\pi~cm^2} \\\\
A_t=A_b + A_l = 64\pi + 80\pi = \boxed{\bf 144\pi~cm^2}\\\\
V= \frac{A_b \cdot h}{3}= \frac{64\pi \cdot 6}{3}= 64\pi \cdot 2 =
\boxed{\bf 128\pi~cm^3}
[/tex]