Show that the diagonals of a square are equal and right bisectors of each other.

Using vectors prove that the diagonals of a parallelogram bisect each other.

Prove by vector method that the diagonals of a rhombus bisect each other at right angles.

Show that the diagonals of a parallelogram divide it into four triangles of equal area.

If the diagonal of a rhombus are equal, then the rhombus is a

A body of mass m makes an elastic collision with another identical body at rest. Show that if the collisionis not head on the bodiese to at right to each other after the collision.