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(Solved): The area of a circle with diameter \( d \) is given by \( A=\frac{\pi d^{2}}{4} \). Calculate the r ...
The area of a circle with diameter \( d \) is given by \( A=\frac{\pi d^{2}}{4} \). Calculate the rate at which the area of a circle is increasing when the diameter is \( 300 \mathrm{~mm} \) and is increasing at a rate of \( 2 \mathrm{~mm} / \mathrm{s} \).