If in `DeltaABC` vertex A is (1,2) and incentre ſ is `(7/4,1/2)` the point where `AI` meets BC is `D (2,0)`, then theexcentre opposite to vertex A is

In a Delta ABC vertex A, mid point of BC are (1,2,3) and (5/2,-5/2,0) then centriod is

If is the incentre of Delta ABC and I_(1) ,is the excentre opposite to the vertex.A' of Delta ABC, thern II_(1)=

Two vertices of a triangle are (0,-4) and (6,0).If the medians meet at the point (2,0), find the coordinates of the third vertex.

The othocenter of DeltaABC with vertices B(1,-2) and C(-2,0) is H(3,-1) .Find the vertex A.

The othocenter of DeltaABC with vertices B(1,-2) and C(-2,0) is H(3,-1) .Find the vertex A.

The othocenter of DeltaABC with vertices B(1,-2) and C(-2,0) is H(3,-1) .Find the vertex A.

The othocenter of DeltaABC with vertices B(1,-2) and C(-2,0) is H(3,-1) .Find the vertex A.

If a vertex of a triangle is (1, 1) and the mid-points of two sides through this vertex are (-1, 2) and (3, 2), then the centroid of the triangle is :