If one of the diameters of the circle x...

If one of the diameters of the circle ` x^(2) + y^(2) - 2x - 6y + 6` = 0 is a chord to the circle with center (2,1) then the radius of the circle is

A

`sqrt(3)`

B

`sqrt(2)`

C

3

D

2

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The correct Answer is:

C

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