Question

Show that the points A (-1,3/2) B ( 3/2, -1) C (6, 7/2 ) and D ( 7/2 , 6) are the vertices of a rectangle.

Answer 1

Answer:

calculate the distance AB, CD, AD, BC, AC and BD. You would find that AB=CD, AD=BC and AC=BD. This conclusion would prove for rectangle.