Test Academy | At what rate will the lateral surface area of the cylinder increase if the radius is increasing at the rate of 2 cm/s when the radius is 5 cm and height is 10 cm? 40 cm/s, 40π cm/s, 30π cm/s, 20π cm/s

Question

At what rate will the lateral surface area of the cylinder increase if the radius is increasing at the rate of 2 cm/s when the radius is 5 cm and height is 10 cm?

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40 cm/s
40π cm/s
30π cm/s
20π cm/s

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