If 53x-54y+7=0and 106x-108y=-4 are the t...

If `53x-54y+7=0and 106x-108y=-4` are the tangents of the circle , then radius of the circle is =.......

A

`(5)/(2sqrt(229))`

B

`(30)/(sqrt(5725))`

C

`(5)/(2sqrt(5725))`

D

`(3)/(sqrt(229))`

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