Advertisements
Advertisements
प्रश्न
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
उत्तर
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.
संबंधित प्रश्न
If the length and breadth of a rectangle are doubled, how many times the perimeter of the old rectangle will that of the new rectangle be?
If length of a rectangle is halved and breadth is doubled then the area of the rectangle obtained remains same.
Divide the park shown in the following figure of question 40 into two rectangles. Find the total area of this park. If one packet of fertilizer is used for 300 sq m, how many packets of fertilizer are required for the whole park?
Find the area of the rectangle whose sides are:
2 m and 70 cm
What is the cost of tiling a rectangular plot of land 500 m long and 200 m wide at the rate of ₹ 8 per hundred sq m.?
By splitting the following figure into rectangles, find their areas (The measures are given in centimetres).
A rectangular piece of dimensions 3 cm × 2 cm was cut from a rectangular sheet of paper of dimensions 6 cm × 5 cm (see the figure). Area of remaining sheet of paper is ______.
Area of shaded portion in the following figure is ______.
The dimensions of a plot are 200 m × 150 m. A builder builds 3 roads which are 3 m wide along the length on either side and one in the middle. On either side of the middle road he builds houses to sell. How much area did he get for building the houses?
A carpet of size 5 m × 2 m has 25 cm wide red border. The inner part of the carpet is blue in colour (see figure). Find the area of blue portion. What is the ratio of areas of red portion to blue portion?
