Question

if the length of a rectangle is increased by 20% and breadth is reduced by 20% what will the area​

Answer 1

let length of the rectangle be x and breadth of the rectangle be y .

so area of original rectangle is xy.

BY CONDITION,

length becomes 1.2x and breadth becomes 0.8y.

So area becomes (1.2x)×(0.8y)

ie 8.4xy

means

Answer 2

area will be content