An error 3% 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 options.
A) 6.05
B) 6.09
C) 6.03
D) 6.02
E) 6.01
Explanation:   100 cm is read as 103 cm.   A1 =(100 × 100)cm2 = 10000   and A2= (103 × 103)cm2= 10609   (A2 - A1) = 10609-10000= 
<gadget id="calculator">10609-10000</gadget>
<output>609</output>
609=&gt; 609/10000*100= 
<gadget id="calculator">609/10000*100</gadget>
<output>609/100 = around 6.09</output>
6.09   Answer : 6.09
<result>B</result>
An error 3% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is: