Advertisements
Advertisements
प्रश्न
Tahir measured the distance around a square field as 200 rods (lathi). Later he found that the length of this rod was 140 cm. Find the side of this field in metres.
Advertisements
उत्तर
The perimeter of a square field = the distance around a square field
⇒ 4 × side = length of 200 rods
⇒ 4 × side = 200 × 140 cm ...[∵ The length of the rod = 140 cm]
⇒ Side = `(200 xx 140)/4` cm
⇒ Side = 7000 cm = `7000/100` m = 70 m
∴ The side of the field = 70 m
APPEARS IN
संबंधित प्रश्न
The diagonal of a square is 15 m; find the length of its one side and perimeter.
Find the perimeter of the following figure
Measure the side of the red square on the dotted sheet. Draw here as many rectangles as possible using 12 such squares.
How many rectangles could you make?
1 m = ______ 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 square metres of cloth is required to cover all the display boards? What will be the length in m of the cloth used, if its breadth is 120 cm?
In the following figure, each square is of unit length
- What is the perimeter of the rectangle ABCD?
- What is the area of the rectangle ABCD?
- Divide this rectangle into ten parts of equal area by shading squares. (Two parts of equal area are shown here)
- Find the perimeter of each part which you have divided. Are they all equal?
If each side of a rhombus is doubled, how much will its area increase?
In the following figure, perimeter of (ii) is the same as (i).
 |
 |
| (i) | (ii) |
In the following figure, perimeter of (ii) is 18 units.
|
| (ii) |
The sum of the lengths of all sides of a square is also called its:
