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If the rate of change of radius of a circle is 6 cm/s then f - Practice - ObjectiveMcq

HomePracticeMathematicsBasicsIf the rate of change of radius of ...

If the rate of change of radius of a circle is 6 cm/s then find the rate of change of area of the circle when r=2 cm.

Correct Answer: C — 75.36 cm2/s

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