Question

if sides of a square are increased by 7% by what percent its area will be increased

Answer 1

area of original square=a^2
increase in side =7%of a
area increased =49%of original area

Answer 2

let side be 100 cm
then area will be 10000 cm^2
ATQ
7% increasing side becomes 107 cm
then area= 11449
% increase in area = 14.49