Solids:** **The bodies occupying space are called Solids. Solids could come in all shapes and sizes. Common ones could be cube, cuboid, cones, sphere, etc.

Volume of a solid:** **The space occupied by a solid body is called its volume. The units of volume are cubic centimeter or $latex cm^3 &s=0$ or cubic meters or $latex m^3 &s=0$

Cuboid: A solid bounded by six rectangular plane faces it called a cuboid. A cuboid has 6 rectangular faces, 12 edges and 8 vertices.

In the adjoining figure, is a cuboid whose

- Six faces are: .
- Out of these, the four side faces, namely are called lateral faces.
- 12 edges are:.
- Eight Vertices are: .

Cube: A cuboid whose length, breadth and height are all equal is called a cube. Each edge of a cube is called its side.

Formula for Cuboid and Cube

Consider a cuboid with .

Consider a cube with all sides equal to units.

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