Which equation can be used to find the surface area of the cylinder? a cylinder with a radius of 4 inches and height of 16 inches. s = 2 pi (4) squared 2 pi (4) (16) s = 2 pi (8) squared 2 pi (8) (16) s = 2 pi (16) squared 2 pi (16) (4) s = 2 (4) squared 2 (4) (16)