Let `A(3, -4), B(9, -4), C(5, -7) and D(7, -7)`. Show that ABCD is a trapezium.

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 (7, 3), B (3, 0), C (0, -4) and D (4, - 1) are the vertices of rhombus ABCD.

Show that the points A(3,3,3,),B(0,6,3),C(1,7,7) and D(4,4,7) are the vertices of a square.

Show that points A (-4, -7), B (-1,2) , C (8,5) and D(5,-4) are the vertices pf rhomus ABCD.

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(1,3,4),B(-1,6,10),C(-7,4,7) and D(-5,1,1) are have vertices of a rhombus.

A(-4,-7),B(-1,2),C(8,5) and D(5,-4) are the vertices of rhombus ABCD.

Show that the points A (4, 2), B (7, 5) and C (9, 7) are three points lying on a same line.