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
Find the perimeter of an equilateral triangle of side 9.8 cm.
Find the cost of fencing a rectangular park of length 250 m and breadth 175 m at the rate of Rs. 12 per metre.
Each side of a square is 9 m long. Find its perimeter.
The length of a rectangular plot of land is 50 m and its width is 30 m. A triple fence has to be put along its edges. If the wire costs 60 rupees per metre, what will be the total cost of the wire needed for the fence?
A game requires its players to run around a square playground. Each side of the playground is 20 m long. One player took 5 rounds around the playground. How many metres did he run altogether?
Find the perimeter and the area of the rectangle whose length is 6 m and breadth is 4 m
What is the perimeter of the following figures? What do you infer from the answers?
 (a) |
 (c) |
 (b) |
 (d) |
On a centimetre squared paper, make as many rectangles as you can, such that the area of the rectangle is 16 sq cm (consider only natural number lengths).
- Which rectangle has the greatest perimeter?
- Which rectangle has the least perimeter?
- If you take a rectangle of an area of 24 sq cm, what will be your answers?
In the following figure, perimeter of (ii) is greater than that of (i), but its area is smaller than that of (i).
 |
 |
| (i) | (ii) |
Rectangle MNOP is made up of four congruent rectangles (see figure). If the area of one of the rectangles is 8 m2 and breadth is 2 m, then find the perimeter of MNOP.
