Advertisements
Advertisements
प्रश्न
Find the perimeter of a rectangle whose area = 2600 m² and breadth = 50 m.
Advertisements
उत्तर
∵ Area of rectangle = 2600 m2
and breadth = 50 m
⋅ its length = `"Area"/"Breadth"`
`= (2600 "cm"^2)/(50 "cm") = 52 "cm"`
⇒ Perimeter of the rectangle
= 2 × (length + breadth)
= 2 × (52 cm + 50 cm)
= 2 × 102 = 204 cm
APPEARS IN
संबंधित प्रश्न
The length and the breadth of a rectangular field are in the ratio 5: 4 and its area is 3380 m2. Find the cost of fencing it at the rate of ₹75 per m.
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 perimeter of a square plot = 360 m. Find:
- its area.
- cost of fencing its boundary at the rate of ₹ 40 per meter.
- cost of levelling the plot at ₹60 per square meter.
The perimeter of a rectangular field is 500 m and its length = 150 m. Find:
(i) its breadth,
(ii) its area.
(iii) cost of ploughing the field at the rate of ₹1.20 per square meter.
Four rounds of wire fence have to be put around a field. If the field is 60 m long and 40 m wide, how much wire will be needed?
The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| 5 cm | 8 cm | ? | ? |
Find the perimeter of the following figure
What is the radius of the largest circle that can be cut out of the rectangle measuring 10 cm in length and 8 cm in breadth?
What is the correct formula for the perimeter of a rectangle with length (l) and breadth (b)?
A rectangle has length 15 cm and breadth 9 cm. What is its perimeter?
