In Fig. 2, ABCD is a quadrilateral in which P, Q, R and S are the mid-points of the sides AB, BC, CD and DA, respectively. Show that PQRS is a parallelogram.

In Fig. 2, ABCD is a quadrilateral in which P, Q, R and S are the mid

1.	In Fig. 2, ABCD is a quadrilateral in which P, Q, R and S are the mid-points of the sides AB, BC, CD and DA, respectively. Show that PQRS is a parallelogram.
Answer» In Fig. 2, ABCD is a quadrilateral in which P, Q, R and S are the mid-points of the sides AB, BC, CD and DA, respectively. Show that PQRS is a parallelogram.