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 sqiare is

Answer 1

LET THE SIDE IS 100CM

AND IS MEASURED 2% EXCESS MEANS 102%

SO FOR THE AREA IT WILL BE

102*102= 10,404

AND THE ACTUAL AREA IS 100*100= 10,000

NOW FOR FINDING THE PERCENTAGE OF ERROR .....

10000-404
100-?

404*100/10000

4.04%

SO THE ANS IS 4.04%

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