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  3. If error in measurement of diameter of circle is4% then what is the error in measuring the circumference of the circle
# Engineering

If the error in measurement of the diameter of the circle is 4%, then what is the error in measuring the circumference of the circle

Answers (1)
A Akshay

As we learned,

The 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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