X and Y are the mid points of sides AB and AC of a triangle ABC. If BC+XY=12 units, then BC-ÂXY is

X and Y are the mid points of sides AB and AC of a triangle ABC. If BC

1.	X and Y are the mid points of sides AB and AC of a triangle ABC. If BC+XY=12 units, then BC-ÂXY is
A.	8 units
B.	4 units
C.	6 units
D.	2 units
Answer» C. 6 units

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X and Y are the mid points of sides AB and AC of a triangle ABC. If BC+XY=12 units, then BC-Â­XY is

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X and Y are the mid points of sides AB and AC of a triangle ABC. If BC+XY=12 units, then BC-ÂXY is