The side of a square is increased by 10% then how much % does its area increases?
Pick one:
A) 40.00 %
B) 10.00 %
C) 25.00 %
D) 21.00 %
E) 15.00 %
a = 100 a2 = 10000   a = 110 a2 = 12100   ----------------   10000 --------- 2100   100 -------? =&gt; 21.00 %   Answer:21.00 %
<result>D</result>
The side of a square is increased by 10% then how much % does its area increases?