Question

if the lenght of a rectangle is doubled without changing the width, what would be the change in area? ​

Answer 1

Answer:

2 times increase in area

Step-by-step explanation:

area = lb

new area= 2lb = 2 × actual area

Answer 2

Let length be boubled mean 2x

and breadth be x

Formula of area = Length*breadth

2x*x =2x2