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

Prove that the pointsA (0,1)B (-2,3) C(6,7) and D(8,3) are the vertice

1.	Prove that the pointsA (0,1)B (-2,3) C(6,7) and D(8,3) are the vertices of a rectangle ABCD
Answer» According to properties of rectangle its opposite sides are equal AB=CD and AD=BC and diagonals are equal AC=BD so here opposite sides are not equal and diagonals are not equal.