Anything which occupies space and has a definite shape is called a solid. The surface area of a solid is the sum of the areas of all its faces.

The space occupied by a solid object is the volume of that object.

Anything which occupies space and has a definite shape is called a solid. The surface area of a solid is the sum of the areas of all its faces.

The space occupied by a solid object is the volume of that object.