An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:

Question

100 cm is read as 102 cm.A1= (100 x 100) cm2and A2(102 x 102) cm2.(A2- A1) = [(102)2- (100)2]= (102 + 100) x (102 - 100)= 404 cm2.Percentage error =404x 100%= 4.04%100 x 100

Accepted Answer

4%

Answer

2%

Answer

2.02%

Answer

4.04%

Question 210: An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is: