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

The line segments joining the midpoints of the adjacent sides of a quadrilateral form

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.

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

Show that the line segments joining the mid-points of opposite sides of a quadrilateral bisect each other.