Question

Length of the rectangle is increased by 40% and its breadth decrease by 20%.What will be effect on its area

Answer 1

Step-by-step explanation:

original length and breadth =>L and B respectively. New length =>L+(40/100)L=> 1.4L New breadth =>B - (20/100)B =>0.8B

Area of the rectangle => 1.4L×0.8B =>1.12LB. Hence there is 12% increase in its area. Hope it helps you.