A cube billet with 20 cm edge length is forged into a cuboid steel with 16 square cm bottom area. How long is the cuboid steel?

A cube billet with 20 cm edge length is forged into a cuboid steel with 16 square cm bottom area. How long is the cuboid steel?

Volume: 20 * 20 * 20 = 8000 (cm3) because cuboid volume = bottom area times height, it is equal to = 8000 / 16 = 500 (CM)