Advertisements
Advertisements
Question
Look at these interesting stamps.
Which two stamps have the same area? How much is the area of each of these stamps? square cm.
Advertisements
Solution
Stamp D and stamp F have the same area. Stamp D and stamp F cover an equal number of squares. Each of them covers 12 squares of one-centimeter side. Area of each of these stamps = 12 square cm.
RELATED QUESTIONS
The length and the breadth of a rectangular piece of land are 500 m and 300 m respectively. Find its area
A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and the breadth is 3.6 m (see the given figure). Find the cost of white washing the wall, if the rate of white washing the wall is Rs 20 per m2
The length of the side of the square is given below. Find its area.
25 metres
The length of the side of a square is given below. Find its area
5 cm
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?
Area of a square of side 6 m is equal to the area of ______ squares of each side 1 cm.
Find the area of a square inscribed in a circle whose radius is 7 cm (see figure).
[Hint: Four right-angled triangles joined at right angles to form a square]
Study the layout given in the following figure and answer the questions:
- Write an expression for the total area covered by both the bedrooms and the kitchen.
- Write an expression to calculate the perimeter of the living room.
- If the cost of carpeting is ₹ 50/m2, write an expression for calculating the total cost of carpeting both the bedrooms and the living room.
- If the cost of tiling is ₹ 30/m2, write an expression for calculating the total cost of floor tiles used for the bathroom and kitchen floors.
- If the floor area of each bedroom is 35 m2, then find x.
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.
