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If the length of the tangent from any po...

If the length of the tangent from any point on the circle `(x-3)^(2)+(y+2)^(2)=5r^(2)` to the circle `(x-3)^(2)+(y+2)^(2)=r^(2)` is 4 units, then the area between the two circles in sq. units is

A

`32pi`

B

`4pi`

C

`8pi`

D

`16pi`

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KCET PREVIOUS YEAR PAPERS-KARNATAKA CET 2006-MATHEMATICS
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