Advertisements
Advertisements
प्रश्न
Find the breadth of a rectangular plot of land, if its area is 440 m2 and the length is 22 m. Also find its perimeter.
Advertisements
उत्तर
Area = Length × Breadth = 440 m2
22 × Breadth = 440
Breadth =`440/22`= 20 m
Perimeter = 2 (Length + Breadth)
= 2 (22 + 20) = 2 (42) = 84 m2
संबंधित प्रश्न
Find the area of a square plot of side 8 m.
The length of the side of the square is given below. Find its area.
6 cm
The picture alongside shows some squares. Find out how many squares with the same measures will fit in the empty space in the figure.
Look at these interesting stamps.
How many squares of one-centimeter side does stamp A cover?
And stamp B?
Explain how the green area is 4 square cm and the yellow area is 6 square cm.
The side of a square is 5 cm. How many times does the area increase, if the side of the square is doubled?
A table-top measures 2 m by 1 m 50 cm. What is its area in square metres?
Five square flower beds each side 1 m are dug on a piece of land 5 m long and 4 m wide. What is the area of the remaining part of the land?
Architects design many types of buildings. They draw plans for houses, such as the plan shown in the following figure:
An architect wants to install a decorative moulding around the ceilings in all the rooms. The decorative moulding costs ₹ 500/metre.
- Find how much moulding will be needed for each room.
(i) family room
(ii) living room
(iii) dining room
(iv) bedroom 1
(v) bedroom 2 - The carpet costs ₹ 200/m2. Find the cost of carpeting each room.
- What is the total cost of moulding for all the five rooms.
