Advertisements
Advertisements
प्रश्न
What is the perimeter of the following figures? What do you infer from the answers?
 (a) |
 (c) |
 (b) |
 (d) |
Advertisements
उत्तर
- Perimeter of the square = 4 × side
= 4 × 25
= 100 cm - Perimeter of rectangle = 2 (40 + 10)
= 2 × 50
= 100 cm - Perimeter of rectangle = 2 (Length + Breadth)
= 2 (30 + 20)
= 2 (50)
= 2 × 50
= 100 cm - Perimeter of triangle = 30 + 30 + 40
= 100 cm
∴ All the figures have the same perimeter.
संबंधित प्रश्न
The perimeter of a rectangle is 46 m and its length is 15 m. Find its :
(i) breadth
(ii) area
(iii) diagonal.
In each of the following cases, ABCD is a square and PQRS is a rectangle. Find, in each case, the area of the shaded portion.
(All measurements are in metre).
(i)
(ii)
Mohit makes 8 full rounds of a rectangular field with length = 120 m and breadth = 75 m.
John makes 10 full rounds of a square field with each side 100 in. Find who covers larger distance and by how much?
Find the perimeter of a regular pentagon of side 8.2 cm.
Each rectangular tile is 40 cm long and 30 cm wide. How many tiles will be required to cover the floor of a room with length = 4.8 m and breadth = 2.4 m.
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| 5 cm | 8 cm | ? | ? |
A rectangular path of 60 m length and 3 m width is covered by square tiles of side 25 cm. How many tiles will there be in one row along its width? How many such rows will be there? Find the number of tiles used to make this path?
36 unit squares are joined to form a rectangle with the least perimeter. Perimeter of the rectangle is ______.
What is the perimeter of a rectangle?
The perimeter of a rectangle is 60 m. What is the sum of its length and breadth?
