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प्रश्न
Look at these interesting stamps.
The area of the smallest stamp is ______ square cm.
The difference between the area of the smallest and the biggest stamp is ______ square cm.
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उत्तर
Stamp E is the smallest stamp. It covers 4 squares, each of one centimetre sides. Area of smallest stamp = 4 square cm Now, area of biggest stamp = 18 square cm.
Difference between the area of smallest stamp and biggest stamp = (18 – 4) square cm = 14 square cm.
संबंधित प्रश्न
The length and the breadth of a rectangular piece of land are 500 m and 300 m respectively. Find the cost of the land, if 1 m2 of the land costs Rs 10,000.
The table given below contains some measures of the square. Find the unknown values.
| Side | Perimeter | Area |
| ? | ? | 49 sq.feet |
A square park has 40 m as its perimeter. What is the length of its side? Also find its area
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The length of a rectangular field is 8 m and breadth is 2 m. If a square field has the same perimeter as this rectangular field, find which field has the greater area.
Amita wants to make rectangular cards measuring 8 cm × 5 cm. She has a square chart paper of side 60 cm. How many complete cards can she make from this chart? What area of the chart paper will be left?
A floor is 5 m long and 4 m wide. A square carpet of sides 3 m is laid on the floor. Find the area of the floor that is not carpeted.
What will be the area of the largest square that can be cut out of a circle of radius 10 cm?
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.
A square plot has each side measuring 4.5 cm. What is its area?
