If each side of a square is increased by 25%, find the percentage change in its area?	Choose the correct choice.
A) 28.88  B) 56.25  C) 22.89  D) 29.18  E) 21.21
let each side of the square be a , then area = a x a   As given that The side is increased by 25%, then   New side = =   New area =   increased area=   Increase %= % = 56.25%   Answer: 56.25
<result>B</result>
If each side of a square is increased by 25%, find the percentage change in its area?