Volume:
\(V = b * h \\ V=( \pi r^{2} )*h\\V=(\pi4^{2})*40\\V=640cm^{3}\)
Surface Area:
SA = base + base + side
SA = \(2(\pi r^{2})+(\)Circumference\(*h\)
SA = \(2(\pi r^{2})+(2\pi r)*h\)
\(SA=2(\pi(4^{2}))+(2\pi (4))*40\\
SA=32\pi + 8\pi*40\\
SA=32\pi+320\pi \\
SA=352\pi=1005.309cm^{2}\)
