Show that the points A(2,-2), B(8, 4), C(5,7) and D(-1, 1) are the angular points of a rectangle.

Show that the points :- A (2, 1), B (5, 4), C (4, 7) and D(1, 4)are the angular points of a paralleogram. ABCD.

Show that the points A(2, 1), B(5, 2), C(6, 4) and D(3, 3) are the angular points of a parallelogram. Is this figure a rectangle?

Show that the points : P (1, 2), Q (5, 4), R (3, 8) and S (-1, 6) are the angular points of a square PQRS.

Show that (1,-1) , (-2,2) , (4,8) and (7,5) are the angular points of a rectangle.

Prove that the points (2,-2) ,(8,4), (5,7) and (-1,1) are the vertices of a rectangle , find the area of the rectangle.

Show that the points A (1, 0), B(5, 3), C (2, 7) and D(-2, 4) are the vertices of a rhombus.

Show that the points A (1, 0), B(5, 3), C (2, 7) and D(-2, 4) are the vertices of a rhombus.

Show that the points A(2,3,5),B(-4,7,-7),C(-2,1,-10) and D(4,-3,2) are the vertices of a rectangle.

Show that the points A(-1, -2), B(4, 3), C(2, 5) and D(- 3, 0) in that order form a rectangle.

Prove that the points A(0,-1),B(-2,3),C(6,7) and D(8,3) are the vertices of a rectangle ABCD .