How do you solve if perimeter of a square increases by 25 percent then its area increases by how much percent?

56.25% let side of square is 'a' its perimeter is 4a its area is axa perimeter increase by 25% new perimeter is 5a new sideof square becomes=5a/4= 1.25a its new area is 1.25ax1.25a increase in area in percentage is ((1.25ax1.25a)-(axa))/(axa) *100 =56.25%