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If there is an error of 3% in measuring the side of a square. What is the percentage of error in area of square?

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If there is an error of 3% in measuring the side of a square. What is the percentage of error in area of square?
posted May 5, 2017 by anonymous

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1 Answer

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6 percent
Explanation

A=x^2
dA=2x dx divide both sides by A or x^2
dA/A=2 dx/x
=2*0.03
=0.06
Thus percent error in A=6 percent

answer May 5, 2017 by Kewal Panesar



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