A silo is a structure that is shaped like a right circular cylinder with a half sphere on top. The surface area S of a silo of height h and radius r (including the area of the base) is given by the polynomial equation S=2*3.14rh+3.14r^2. Note that h is the height of the entire silo.A container of tennis balls is silo-shaped, with a height of 6 1/4in and a radius of 1 1/2in. Find the surface area of the container.The surface area is ___in^2
just substitute 6.25 for h and 1.5 for r and calculate -=-
