Question

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

Answer 1

Hiiii..

Are of square = side ^2 ....

Error in side 2 % ...

DIfferentiate eqn...

Error in Area = 2 × side % ...
= 2 × 2 % ..
= 4 % excess...