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  3. If the error in measuring the diameter of a circle is 4%, the error in the circumference of the circle will be...
# Engineering

if-the-error-in-measuring-diameter-of-a-circle-is-4-the-error-in-the-circumference-of-the-circle-will-be-4

Answers (1)
A Akshay

As we learnt in 

Percentage error in the value of x -

\dpi{100} x= \frac{\left ( \Delta a+\Delta b \right )}{a+b}\times 100\%

- wherein

\Delta a= absolute error in measurement of a

\Delta b= absolute error in measurement of b

\Delta x= absolute error in measurement of x

 

 D\propto r  therefore there will be no change in error, it will remain 4% for radius also.

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