Prove that points `(-3, -1), (2, -1), (1, 1) and (-2, 1)` taken in order are the vertices of a trapezium.

Prove that the points (1,1,1),(-2,4,1),(-1,5,5) and (2,2,5) taken in order ,are the vertices of a square. Find the area of square.

The points (-3,4),(-1,0),(1,0) and (3,4) taken in order are the vertices of a

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

Show that the point (3,-2),(3,2),(-1,2) and (-1,-2) taken in order are the vertices of a square.

The points (2,-2),(8,4),(5,7) and (-1,1) taken in order constitute 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.

The point 'A(1,2),B(2,-3),C(-1,-5) and D(-2, 4) ^(2) in order are the vertices of

The point A(1,2), B(2,-3), C(-1,-5) and D(-2, 4) in order are the vertices of

Four points A(+1,-1,1);B(1,3,1);C(4,3,1) and D(4,-1,1) taken in order are the vertices of

Four points A(+1, -1, 1) , B(1, 3, 1), C(4, 3, 1), and D(4, -1, 1), taken in order are the vertices of