Two similar cones have volumes of 27 square meters and 64 square meters. What is the ratio of the surface area of the small prism to the surface area of the large prism?
The scale factor = 3√[27 / 64] = 3 /4
The ratio of the surface areas = (scale factor)^2 = (3/4)^2 = 9 /16 = 9 : 16