Question

If the length and breadth of a rectangle are doubled ,by what peecentage is its area increased ?

step by step solution please ..
in answersheet the answer is given 300(for help)​

Answer 1

Answer:

A1=lw

A2=(2w(2l)

A2=4lw

A2=4A1

It is 400% of the original area. Thus, it

increases by 300%.