The bottom area of a cuboid is a square. If the height is increased by 3cm, it will become a cube. This is that the area of each side is increased by 18cm. What is the volume of the cuboid?

The bottom area of a cuboid is a square. If the height is increased by 3cm, it will become a cube. This is that the area of each side is increased by 18cm. What is the volume of the cuboid?

18 △ 3 = 6 (CM), 6-3 = 3 (CM), 6 × 6 × 3 = 108 (CC), 108 CC = 0.108 cubic decimeter