Find the centroid of the triangle , given that the mid-points of its sides are (1,4,-3),(3,2,1) and (-1,3,-4).

Find the coordinates of the centroid of a triangle the mid points of whose sides are (1,2,-3), (3,0,1) and (-1,1,-4)

The x-coordinate of the incentre of the triangle that has the coordinates of mid points of its sides as (0, 1), (1, 1) and (1, 0) is

The centroid of a triangle ABC is at the point (1,1,1). If the coordinates of A and B are (3,-5,7) and (-1,7,-6) respectively, find the coordinats of the point C.

Show that (-1, 4, -3) is the circumcentre of the triangle formed by the points (3, 2, -5), (-3, 8, -5) and (- 3, 2, 1).

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

If centroid of a triangle be (1, 4) and the coordinates of its any two vertices are (4, -8) and (-9, 7), find the area of the triangle.

Find area of the triangle with vertices at the point given in the following : (-2,-3),(3,2),(-1,-8)

Find a unit vector perpendicular to the plane of triangle ABC where the coordinates of its vertices are A(3,-1,2),B(1,-1,-3) and C(4,-3,1).