Area of Plane Shapes

The area of a shape can be defined as the space occupied by the surface or a measure of its surface.

The square is used as the basic unit of area.

The area of an object is the number of unit squares that cover the surface of a closed object. The area is measured in square units such as square feet, square centimetres, square inches, etc.

A square of side 1 m covers an area of 1 square metre or 1 m²

A square of side 1 cm covers an area of 1 square centimetre or 1 cm²

For example, A rectangle 5 cm long and 3 cm broad can be divided into squares of 1 cm as shown below.

By counting the squares, the area of the rectangle is 15 cm²