The side of a square is increased by 25% then how much % does its area increases? Choose the correct choice
A) 55.2 % B) 10 % C) 15 % D) 56.25 % E) 18 %
Explanation:   a = 100 a2 = 10000   a = 125 a2 = 15625   ----------------   10000 --------- 5625   100 -------? =&gt; 56.25 %   Answer : 56.25 %
<result>D</result>
The side of a square is increased by 25% then how much % does its area increases?