Question

Ex. 5 The length of a rectangle is increased by 20%
and breadth is decreased by 10% Calculate the
percentage change in the area.​

Answer 1

Answer:

Let L, B & A be the initial length , breadth & area respectively of the rectangle. Hence, increase in area = (108/100 -1). l.b = 8/100*lb = 8% .

Step-by-step explanation: