The coordinates of the verticesofa quadrilateral, taken in order, are (2,1), (5,3), (8,7), (4,9).Prove that the quadrilateral got by joining these midpoints is a parallelogram.

The coordinates of the verticesofa quadrilateral, taken in order, are (2,1), (5,3), (8,7), (4,9).Find the coordinates of the mid points of all four sides.

The coordinates of the vertices of a quadrilateral taken in order are '(2,1)', '(5,3),(8,7),(4,9)'. i) Find the coordinates of the midpoints of all four sides. ii) Prove that the quadrilateral got by joining these mid points is a parallelogram.

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

Prove that the quadrilateral with vertices '(1,1),(5,1),(7,8),(3,8)' is a parallelogram.

The coordinates of two opposite vertices of a parallelogram are '(4,5)' and '(1,3)'. What are the coordinates of the polnt of intersection of its diagonals?

Prove that the points (2,3), (7,5),(9,8), (4,6) are the corners of a parallelogram.

The vertices of triangleABC are A(2,1), B(-3,5) and C(4,5). Write the coordinates of the midpoint of AC.

Consider a quadrilateral whose vertices are A (- 4,2),B (2,6), C (8,5) and D (9,7) Find the mid point of the sides of the quadrilateral.

Find the coordinates of the midpoint of the line joining the points '(1,-2)', '(-3,4)'