The side of a square is increased by 30% then how much % does its area increases?
Choices:
A) 52.65	B) 69	C) 50.75	D) 42.75	E) 52.75
a = 100 a2 = 10000   a = 130 a2 = 16900   ----------------   10000 --------- 6900   100 -------? =&gt; 69 %   ANSWER: 69
<result>B</result>
The side of a square is increased by 30% then how much % does its area increases?