A cube has six congruent square faces. The total area of the faces is the surface area of the cube. To work out the surface area of a cube: Square close square (verb)Multiply a number by itself ...

Volume and surface area The volume of a 3D solid is the space inside it. This cuboid contains 12 small cubes. Each small cube has a volume of 1 cm 3. The volume of the cuboid is 12 cm 3.