Question
The radius of a circle is increasing uniformly at the rate of $3 \mathrm{~cm} / \mathrm{s}$. Find the rate at which the area of the circle is increasing when the radius is $10 \mathrm{~cm}$.
Step 1
We know that the area of a circle is given by the formula $y = \pi x^2$. Show more…
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Introduction
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