Question

4. If length and breadth of rectangle
are dorubled then, its area is increased
by how much ? [And four times the original area​

Answer 1

Answer:

Area increases by four times.

Step-by-step explanation:

Area of a rectangle is lenght times breadth

A = l*b

New length = 2l

New breadth = 2b

So, new area will be 2l*2b = 4(l*b)

As l*b is area, new area will be 4A

Therefore, the area has increased by 4 times

Hope it helped you!