Question

On increasing each side of a square by 25percent increase inarea will be

Answer 1

Step-by-step explanation:

let the side be x.

new side =x+25%×x=5x/4.

actual area=a^2=x^2.

new area=(5x/4)^2=25x^2/4

now increase in area=25x^2/16-x^2/x^2×100

=900/16%=56.25%.