Prove that the line segments joining the midpoints of the adjacent sides of a quadrilateral form a parallelogram.

Prove that the line segments joints joining the mid-points of the adjacent sides of a quadrilateral from a parallelogram.

Prove that the line segments joints joining the mid-points of the adjacent sides of a quadrilateral from a parallelogram.

Using vector method, prove that the line segments joining the mid-points of the adjacent sides of a quadrilateral taken in order form a parallelogram.

Using vector method,prove that the line segments joining the mid-points of the adjacent sides of a quadrilateral taken in order form a parallelogram.

Prove that the lines joining the midpoints of consecutive sides of a quadrilateral form a parallelogram using vector method.

Prove that the figure formed by joining the points of the adjacent sides of a quadrilateral parallelogram.

Prove that the quadrilatral formed by joining the mid points of the sides of a quadrilateral is a parallelogram.

Prove by vector method that the lines joining the mid points of consecutive sides of a quadrilateral is a parallelogram.

The figure formed by joining the mid-points of the adjacent sides of a quadrilateral is a (a) parallelogram (b) rectangle (c)square (d) rhombus