PERIMETER AND AREA | SPEED NOTES | MATHEMATICS | CBSE | CLASS 7

Chapter –11

Perimeter and Area

Perimeter is the distance around a closed figure whereasarea is the part of plane occupied by the closedfigure.

Area is the measure of the part of plane or regionenclosed by it.

We have learnt how to find perimeter and area of a squareand rectangle earlierclass. They are:

(a) Perimeter of a square = 4 × side

(b) Perimeter of a rectangle = 2 × (length + breadth)

(c) Area of a square = side × side

(d) Area of a rectangle = length × breadth Areaof a parallelogram

= base × height