Advertisements
Advertisements
प्रश्न
What do you understand by a plane closed figure?
Advertisements
उत्तर
Any geometrical plane figure bounded by lines (straight or curved) in a plane is called a plane closed figure.
Each of the following figures is a plane closed figure.
(i)

(ii)

(iii)

(iv)

APPEARS IN
संबंधित प्रश्न
If P = perimeter of a rectangle, l= its length and b = its breadth find P, if l = 38 cm and b = 27 cm
Find the perimeter of each of the following closed figures:
The side of a square is of length 20 mm. Find its perimeter in cm.
The area of a square is 36 cm2. How long are its sides?
Is the perimeter of the yellow shape more than the perimeter of the blue shape? Why?


Sanya, Aarushi, Manav and Kabir made greeting cards. Complete the table for their cards:
| Whose card | Length | Width | Perimeter | Area |
| Sanya | 10 cm | 8 cm | ||
| Manav | 11 cm | 44 cm | ||
| Aarushi | 8 cm | 80 square cm | ||
| Kabir | 40 cm | 100 square cm |
Take a thick paper sheet of length 14 cm and width 9 cm. You can also use an old postcard.
- What is its area? What is its perimeter?
In an exhibition hall, there are 24 display boards each of length 1 m 50 cm and breadth 1 m. There is a 100 m long aluminium strip, which is used to frame these boards. How many boards will be framed using this strip? Find also the length of the aluminium strip required for the remaining boards.
Find the perimeter of the following figure:

Find the perimeter of the following figure:

