Advertisements
Advertisements
प्रश्न
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| 10 m | ? | ? | 120 sq.m |
Advertisements
उत्तर
l = 10 m
Area = 120 sq metre
Area = l × b sq.m
120 = 10 × 6
b = `120/10`
b = 12 m
Perimeter = 2(l + b) units
= 2(10 + 12) units
= 2 × 22 m
p = 44 m
Completing the unknown values in the table.
| Length | Breadth | Perimeter | Area |
| 10 m | 12 m | 44 m | 120 sq.m |
APPEARS IN
संबंधित प्रश्न
What do you understand by a plane closed figure?
Find the perimeter of the following figure:

A square carrom board has a perimeter of 320 cm. How much is its area?

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 |
What is its perimeter __________
Chumki, Jhumri, and Imran need wire to make a fence.

- Who will need the longest wire for fencing?
Can you make a rectangle with a still longer boundary? I made a rectangle 1 cm wide and 80000 m long. Imagine how long that boundary will be!!! With that much gold wire I can become a king!
Match the following:
| Shapes | Perimeter |
(A) ![]() |
(i) 10 |
(B) ![]() |
(ii) 18 |
(C) ![]() |
(iii) 20 |
(D) ![]() |
(iv) 25 |
Length of a rectangular field is 6 times its breadth. If the length of the field is 120 cm, find the breadth and perimeter of the field.
If you start at point S on a closed figure and move along all line segments to return to S, what distance have you covered?




