The coordinates of the mid points of sides AB, BC and CA of ` A B C` are `D(1,2,-3),\ E(3,0,1)a n d\ F(-1,1,-4)` respectively. Write the coordinates of its centroid.

Find the area of triangle ABC , the midpoints of whose sides AB, BC and CA are D(3,-1), E(5, 3) and F(1,-3) respectively.

Let the coordinates of the points A, B, C be (1,8,4), (0,-11,4) and (2,-3,1) respectively. What are the coordinates of the point D which is the foot of the perpendicular from A on BC?

Let the coordinates of the points A, B, C be (1,8,4), (0,-11,4) and (2,-3,1) respectively. What are the coordinates of the point D which is the foot of the perpendicular from A on BC ?

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

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

If the coordinates of the mid points of the sides of a triangle are (1,1) ,(2,-3) and (3,4) . Find its centroid :

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

The coordinates of the mid-points of the sides of a triangle are (4, 2), (3, 3) and (2, 2). What will be the coordinates of the centroid of the triangle?