If the height of a cuboid is increased by 2 cm, it will become a cube. At this time, the surface area will be increased by 56 square cm. What is the volume of the original cuboid
Bottom perimeter: 56 / 2 = 28 cm
Bottom side length: 28 / 4 = 7 cm
The height of the original cuboid: 7-2 = 5cm
Original cuboid volume: 7 * 7 * 5 = 245 CC
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