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

Prove that the points (-4, -1), (-2, -4), (4, 0) and (2, 3) are the vertices of a rectangle. Also find the area of the rectangle.

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

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

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

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

Prove that the points P(-1,-2) Q (7,4) R (4,8) and S(-4,2) are the vertices of a rectangle.

Prove that the points (4, 8), (0, 2), (3, 0) and (7, 6) are the vertices of a rectangle.

Prove that the points (4, 8), (0, 2) (3, 0) and (7, 6) are the vertices of a rectangle.

Prove that the points (4, 8), (0, 2) (3, 0) and (7, 6) are the vertices of a rectangle.