The perpendicular bisector of x + y + 2 ...

The perpendicular bisector of x + y + 2 = 0 and x-y-1 = 0 of sides AB and AC of a ABC intersects them at (-1,-1) and (2, 1), respectively. If the mid-point of side BC is P, then distance of this point from the orthocentre of triangle is

A

`sqrt(85)`

B

`sqrt(41)`

C

`sqrt(13)`

D

none of these

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The correct Answer is:

C

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