The points `(-5,12), (-2,-3),(9,-10),(6,5)` taken in order, form

The points (7, 1), (4, 4), (-2,-2), (1, -5) taken in order, form

The points (7, 8), (1, 6), (-1, 0), (5, 2) taken in order, form

The points (2, 5), (0, 3), (2, 1), (4, 3) taken in order, form

The points (3,-5),(-5,-4),(7,10),(15,9) taken in order are the vertices of a

Show that the points (-3,0), (1,2), (5,-6) and (1,-8) taken in order to form a rectangle.

The points (-1,5),(-2,-3),(5,1)(6,9)' taken order are the vertices of a

Show that the points (1,1),(-1,5),(7,9)and(9,5) taken in that order, are the vertices of a rectangle.

Show that the points (1,1),(-1,5),(7,9)and(9,5) taken in that order, are the vertices of a rectangle.

Show that the four points (5,-1,1),(-1,-3,4) (1,-6,10) and (7,-4,7) taken in order form a rhombus.

Prove that the points (-7, -3), (5, 10), (15, 8) and (3, -5) taken in order are the corners of a parallelogram.