The side of a square is increased by 10% then how much % does its area increases?
Choose the correct choice from the following options:
A) 21	B) 56.25	C) 50.75	D) 42.75	E) 52.75
a = 100 a2 = 10000   a = 110 a2 = 12100   ----------------   10000 --------- 2100   100 -------? =&gt; 21 %   21NSWER: 21
<result>A</result>
The side of a square is increased by 10% then how much % does its area increases?