Find the co-ordinates of the incentre of...

Find the co-ordinates of the incentre of the triangle whose vertices are the points (4,-2) , (5,5) and (-2,4) :

A

(7/3,2/3)

B

(5/2,5/2)

C

(6/5,5)

D

none of these

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The correct Answer is:

B

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