If the height of a cuboid is reduced by 5cm, it will become a cube. At this time, the surface area will be reduced by 120cm2. Find the volume of the cuboid
Perimeter of bottom surface: 120 △ 5 = 24 square centimeter
Side length: 24 △ 4 = 6cm
Height of cuboid: 6 + 5 = 11cm
Cuboid volume: 6x6x11 = 396 cm3
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