An error 2% in excess is made while measuring the side of asquare. The % of error in the calculated area of the square is?	Answers.
A) 4.00%  B) 4.04%  C) 4.26%  D) 4.56%  E) 4.67%
100 cm is read as 102 cm.   A1 = (100 x 100) cm2 and A2 (102 x 102) cm2.   (A2 - A1) = [(102)2 - (100)2]   = (102 + 100) x (102 - 100)   = 404 cm2.   Percentage error = 404 x 100 % = 4.04%   100 x 100   4.04%
<result>B</result>
An error 2% in excess is made while measuring the side of asquare. The % of error in the calculated area of the square is?