Question

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 ​

Answer 1

Answer:

4 % error always double

Answer 2

Answer:

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

=(404100×100×100)%=4.04%

I hope its correct

If correct mark me as a brainliest answer