Prove that the points (2,-1), (0,2), (3,3) and (5,0) are vertices of a parallelogram. Also, find angle between its diagonals.

Prove that the points (2,-1) , (0,2) , (3,3) and (5,0) are the vertices of a parallelogram .

Prove that the points (2, - 1), (0, 2), (3, 3) and (5,0) are the vertices of a parallelogram. Also find the angle between its diagonals.

Prove that the points (-2,-1),(4,0),(3,3)and (-3,2) are the vertices of a parallelogram.

Prove that the points (3,-2),(4,0),(6,-3) and (5,-5) are the vertices of a parallelogram.

Answer the following questions:Show that the points (2,-1),(0,2),(2,3) and (4,0) are the vertices of a parallelogram.Also find the acute angle between the diagonals.

Prove that the points (- 1, 0), (0, 3), (1, 3) and (0, 0) are the vertices of a parallelogram.

Prove that the points (-2, -1), (1, 0), (4, 3) and (1, 2) are the vertices of a parallelogram.

Prove that the points (-2, -1), (1, 0), (4, 3) and (1, 2) are the vertices of a parallelogram.

The points (3,2),(0,5),(-3,2) and (0,-1) are vertices of:

Prove that the points (-1, 0), (3, 1), (2, 2), (-2, 1) are the vertices of a parallelogram.