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The radius of a circle is increasing at ...

The radius of a circle is increasing at the rate of 0.1 cm/s. When the radius of the circle is 5 cm, the rate of change of its area, is :a)`-pi" "cm^(2)//s` b)`10pi" "cm^(2)//s` c)`0.1pi" "cm^(2)//s` d)`pi" "cm^(2)//s`

A

`-pi" "cm^(2)//s`

B

`10pi" "cm^(2)//s`

C

`0.1pi" "cm^(2)//s`

D

`pi" "cm^(2)//s`

Text Solution

Verified by Experts

The correct Answer is:
D
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