Find the equations of the lines joining the centroid G with the vertices of the triangle A (2,3), B (-4,5) and C(3,-4).

Find the equations of the bisectors of the interior angles of the triangle whose vertices are A (0, 0) , B (4, 0) and C (0, 3) and prove that they are concurrent.

Find the equations the lines joining the following pair of vertices: (1,3,0),(0,3,0)

Slope of the line joining (3,1) and (4,5) is :

Find the area of the triangle whose vertices are : A(1,2,3), B(2,-1,4) and C(4,5,-1)

Find the equations of the sides of the triangle whose vertices are (- 1, 8), (4, - 2) and (- 5,- 3).

Using vectors find the area of the triangle ABC with vertices A(1,0,3),B(2,1,4) and C(4,3,1).