Math Exercises & Math Problems: Volume and Surface Area of Solids Math Exercises & Math Problems: Volume and Surface Area of Solids Find the volume and surface area of a cube, if the area of its one face is 40 cm2. Find the volume and surface area of a cube, if you know the length of its space diagonal d = 216 cm. Square prism has a base edge a = 7.1 cm long and a lateral edge h = 18.2 cm long.