Show that the coplanar points `(-1,-6,10),(1,-3,4),(-5,-1,1) and (-7,-4,7)` are the vertices of a rhombus.

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

Show that the coplanar points (-1,2,1),(1,-2,5),(4,-7,8) and( 2,-3,4) are the vertices of a parallelogram.

Show that the coplanar points (0,4,1),(2,3,-1),(4,5,0) and 92,6,2) are the vertices of a square.

The points A(5,-1,1),B(7,-4,7),C(1,-6,10) and D(-1,-3,4) are the vertices of a

Whether the points (-1,-6,10) , (1,-3,4) , (-5,-1,1) and (-7,-4,7) form a rhombus

By vector method,show that the four points (7,2,-3),(6,1,4),(-3,-4,-1) and (-2,-3,-8) are the vertices of a parallelogram.

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

Prove that the points (5,-1,1),(7,-4,7),(1,-6,10) and (-1,-3,40 are the vertices ofa rhombus.

The points (5, -1,1)(7,4,7), (1, -6, 10) and (-1, -3, 4) are the vertices of a