Coordinates of incentre of triangle with vertices A(0,1,0), B(1,1,1) and C(1,0,1) are (,,) then a+b-c- equals
1
2
3
4
As we have learned
Incentre of triangle -
- wherein
I :
=
Option A
Option 1)
1
Option 2)
2
Option 3)
3
Option 4)
4
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