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Cube:

A cuboid having its length, breadth, height all to be equal in measurement is called as a cube.

A cube is a solid bounded by six square plane regions, where the side of the cube is called edge.

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CUBOID

Let length = l, breadth = b and height = h units. Then

1. Volume = (l x b x h) cubic units.

2. Surface area = 2(lb + bh + lh) sq. units.

3. Diagonal = √(l² + b² + h² )

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CUBE

Let each edge of a cube be of length a. Then,

1. Volume = a³ cubic units.

2. Surface area = 6a² sq. units.

3. Diagonal =√3a units.