Show that the coplanar points `(0,4,1),(2,3,-1),(4,5,0) and (2,6,2)` are the vertices of a square.

Show that the coplanar points (1,5,2),(3,4,0),(5,6,1) and (3,7,3) are the vertices of a square.

Examine whether the coplanar points (-2,6,-2),(0,4,-1),(-2,3,1) and (-4,5,0) are the vertices of a square.

Show that the points (-2,4,1),(-1,5,5),(2,2,5) and (1,1,1) are the vertices of a square.

Show that the points A(5,\ 6),\ \ B(1,\ 5),\ \ C(2,\ 1) and D(6,\ 2) are the vertices of a square.

Prove that the points (-4, -1), (-2, -4), (4,0) and (2,3) are the vertices of a rectangle.

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 (-4,-4,-1),(0,2,3) and (4,6,-3) are the vertices of an isosceles triangle.

Prove that the points (2, -1), (4, 1), (2, 3) and (0, 1) are the vertices of a square.

Show that the points A (1, 0), B(5, 3), C (2, 7) and D(-2, 4) are the vertices of a rhombus.

Show that the points A (5,6) B (1,5) and C (2,1) and D (6,2) are the vertices of a square ABCD.