Advertisements
Advertisements
Question
The side of a square is 4 cm. The length of a rectangle is 8 cm and its width is 2 cm. Find the perimeter and area of both figures.
Advertisements
Solution
Perimeter of a square = 4 x side
= 4 × 4
= 16 cm
Area of a square = side x side
= 4 × 4
= 16 sq.cm.
Perimeter of a rectangle
= 2 × length + 2 × breadth
= 2 × 8 + 2 × 2
= 16 + 4
= 20 cm
Area of a rectangle= length x breadth
= 8 × 2
= 16 sq.cm.
RELATED QUESTIONS
If the side of a square is 12 cm, find its area.
What will be the labour cost of laying the floor of an assembly hall which is 14 m long and 10 m breadth if the cost of laying is ₹ 60 per sq.m?
Here is a rectangle of an area of 20 square cm.

Draw one straight line in this rectangle to divide it into two equal rectangles. What is the area of each of the smaller rectangles?
Split the following shape into rectangle and find their area. (The measures are given in centimetres).

A wall of a room is of dimensions 5 m × 4 m. It has a window of dimensions 1.5 m × 1 m and a door of dimensions 2.25 m × 1 m. Find the area of the wall which is to be painted.
A school playground is divided by a 2 m wide path which is parallel to the width of the playground, and a 3 m wide path which is parallel to the length of the ground (see figure). If the length and width of the playground are 120 m and 80 m respectively, find the area of the remaining playground.

The plan and measurement for a house are given in the following figure. The house is surrounded by a path 1 m wide.

Find the following:
- Cost of paving the path with bricks at rate of ₹ 120 per m2.
- Cost of wooden flooring inside the house except the bathroom at the cost of ₹ 1200 per m2.
- Area of Living Room.
In the area formula for a rectangle, what does 'breadth' represent?
What unit is used to express the area of a rectangle?
A rectangular wall is 5 m long and 4 m high. What is its area in square meters?
