Advertisements
Advertisements
Question
Each rectangle is made out of 12 equal squares, so all have the same area, but the length of the boundary will be different.
Which of these rectangles has the smallest perimeter?
Advertisements
Solution
The rectangle measuring 3 × 4 cm has the smallest perimeter.
APPEARS IN
RELATED QUESTIONS
The perimeter of a rectangle is 46 m and its length is 15 m. Find its :
(i) breadth
(ii) area
(iii) diagonal.
A rectangular field is 30 m in length and 22m in width. Two mutually perpendicular roads, each 2.5 m wide, are drawn inside the field so that one road is parallel to the length of the field and the other road is parallel to its width. Calculate the area of the crossroads.
Find the perimeter of a rectangle whose:
length = 10 m and breadth = 8 m
Find the perimeter of a rectangle whose area = 2600 m² and breadth = 50 m.
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.
Each side of a square is 9 m long. Find its perimeter.
Find the cost of fencing a rectangular park of length 175 m and breadth of 125 m at the rate of ₹ 12 per metre.
36 unit squares are joined to form a rectangle with the least perimeter. Perimeter of the rectangle is ______.
In the following figure, perimeter of (ii) is greater than that of (i), but its area is smaller than that of (i).
 |
 |
| (i) | (ii) |
Why is the perimeter of a rectangle calculated as 2 × (length + breadth)?
