Advertisements
Advertisements
प्रश्न
Find the perimeter of each of the following closed figures:
Advertisements
उत्तर
(i) Required perimeter
= AB + AC + BE + EF + FH + HG + HD
= 15 + 5 + 25 + 10 + 5 + 15 + 25
= 110 cm

(ii) Required perimeter
= AB + AC + CD + DG + BF + EF + EH + GH
= 20 + 4 + 8 + 20 + 4 + 8 + 20 + 4
= 88 cm

APPEARS IN
संबंधित प्रश्न
The cost of fencing a square field at the rate of ₹ 75 per meter is ₹ 67,500. Find the perimeter and the side of the square field.
The length and the breadth of a rectangle are 36 cm and 28 cm. If its perimeter is equal to the perimeter of a square, find the side of the square.
The side of a square is of length 20 mm. Find its perimeter in cm.
The area of a rectangular shaped photo is 820 sq.cm. and its width is 20 cm. What is its length? Also find its perimeter
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 |
Perimeter of a regular octagon of side 6 cm is 36 cm.
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.
What is the length of outer boundary of the park shown in the following figure? What will be the total cost of fencing it at the rate of Rs 20 per metre? There is a rectangular flower bed in the center of the park. Find the cost of manuring the flower bed at the rate of Rs 50 per square metre.

Find the perimeter of the following shape:
A triangle of sides 3 cm, 4 cm and 5 cm.
What is the perimeter of a closed figure?
