An error 4% in excess is made while measuring the side of a square. What is the percentage of error in the calculated area of the square?
Choose the correct choice from the following answers.
A) 4.05% B) 4.02% C) 8.16% D) 3% E) 2%
Percentage error in calculated area   =(4+4+(4Ã—4)/100)%   =8.16%   ANSWER:8.16%
<result>C</result>
An error 4% in excess is made while measuring the side of a square. What is the percentage of error in the calculated area of the square?