Cory has a video game console in the shape of a cube. He says that since it's top surface has an area of 81 square inche, ithas a volume of 243 cubic inches. Matthias says that it has volume of 729 inches. Who is correct?Why?
The top surface is given by :
81 = s^2 → s = 9 in
And the volume of a cube = s^3 = 9^3 = 729 cubic inches