The radius of a circle is increased by 1%. Find how much % does its area increases?	Choose the correct choice from the following answers:  A) 2.06  B) 2.09  C) 2.03  D) 2.01  E) 2.02
r = 100 r = 101   r2 = 10000 r2 = 10201   10000 ---- 201   100 ---- ? =&gt; 2.01%   Answer:2.01
<result>D</result>
The radius of a circle is increased by 1%. Find how much % does its area increases?