The side of a square is increased by 25% then how much % does its area increases?  Select:
A) 52.65
B) 56.25
C) 50.75
D) 42.75
E) 52.75
a = 100 a2 = 10000   a = 125 a2 = 15625   ----------------   10000 --------- 5625   100 -------? =&gt; 56.25 %   ANSWER:56.25
<result>B</result>
The side of a square is increased by 25% then how much % does its area increases?