An error 5% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is	Choose the correct choice from the following answers:  A) 10.4%  B) 10.25%  C) 10.23%  D) 10.26%  E) 10.5%
100 cm is read as 102 cm.   A1 = (100 x 100) cm2 and A2 (105 x 105) cm2.   (A2 - A1) = [(105)2 - (100)2]   = (105 + 100) x (105 - 100)   = 1025 cm2.   Percentage error = 10.25   10.25%
<result>B</result>
An error 5% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is