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 side of a square is 12 cm, find its area.
Find the area in square metre of a piece of cloth 1m 25 cm wide and 2 m long.
If the cost of 1 sq m of a plot of land is 900 rupees, find the total cost of a plot of land that is 25 m long and 20 m broad.
What will be the labour cost of laying the floor of an assembly hall that is 16 m long and 12 m wide if the cost of laying 1 sq m is 80 rupees?
Find the area of the rectangle whose sides are:
2 km and 3 km
Split the following shape into rectangle and find their area. (The measures are given in centimetres).
Split the following shape into rectangle and find their area. (The measures are given in centimetres).
Use the following figure, showing the layout of a farm house:
- What is the area of land used to grow hay?
- It costs ₹ 91 per m2 to fertilise the vegetable garden. What is the total cost?
- A fence is to be enclosed around the house. The dimensions of the house are 18.7 m × 12.6 m. At least how many metres of fencing are needed?
- Each banana tree required 1.25 m2 of ground space. How many banana trees can there be in the orchard?
In a park of dimensions 20 m × 15 m, there is a L shaped 1 m wide flower bed as shown in the following figure. Find the total cost of manuring for the flower bed at the rate of Rs 45 per m2.
A rectangle has an area of 48 sq cm and breadth of 4 cm. What is its length?
