A cylinder has a radius of 30 ft and a height of 19 ft. What is the exact surface area of the cylinder?

[tex]A=2\pi r(r+h)\\
A=2\pi\cdot30\cdot(30+19)\\
A=60\pi\cdot49\\
A=2940\pi\hbox{ ft}^2[/tex]

[tex]SA=2(pi)rh+2(pi)r^2[/tex][tex]SA=2(pi)(30)(19)+2(pi)(30^2)[/tex][tex]SA=2(pi)(30)(19)+2(pi)(900)[/tex][tex]SA=3581.3+5654.7[/tex][tex]SA=9236[/tex]9236 square feet