If the rate of change of radius of a circle is 6 cm/s then find the ra – McqOptions

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1.	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.
A.	74.36 cm<sup>2</sup>/s
B.	75.36 cm<sup>2</sup>/s
C.	15.36 cm<sup>2</sup>/s
D.	65.36 cm<sup>2</sup>/s
Answer» C. 15.36 cm<sup>2</sup>/s

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