Question

when you double both the length and breadth of a rectangle, how many times does its area change?​

Answer 1

Answer:

4 times

Step-by-step explanation:

a=l*b .

Now l=2l and b=2b.

area= 2l*2b=4* l*b i.e, 4 times of the origit

Answer 2

Answer:

l=2l

b=2b

area=l×b

=2l×2b

=4lb Ans..