Advertisements
Advertisements
Question
If every side of a rectangle is doubled, then its area becomes _______ times
Options
2
3
4
6
Advertisements
Solution
4
Explanation;
Hint:
2l × 2b = 4l × b
APPEARS IN
RELATED QUESTIONS
The perimeter of a square field is numerically equal to its area. Find each side of the square.
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.
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?
Find the perimeter of the following figure
Find the perimeter of a rectangle, whose sides are 12 cm and 8 cm

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 longest perimeter?

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?
If a wire in the shape of a square is rebent into a rectangle, then the ______ of both shapes remain same, but ______ may varry.
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.



