Question

An error in the measurement of the radius of a circle results in an error in the computation of its area. Find and interpret the sensitivity of area (a) of a circle to the measurement of radius, r, when the radius r=2 meters.
a = πr^2
da = 2πr dr

The error is ∆a which for small errors is approximately da.

So plug and chug.

Now, what does it all <u>mean</u>?

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