Show that the points (0,7,10),(-1,6,6) and (-4,9,6) form a right angled isosceles triangle.

Prove that the points (0, 7,-10), (1, 6,-6) and (4,9, - 6) are the vertices of an isosceles triangle.

Show that the points A(3,5,1), B(-1,0,8) and C(7,10,-6) are collinear.

Show that the points A(3,-2,1),B(1,-3,5),C(2,1,-4) do not form a right-angled triangle.

Show that the points (2,4,3),(4,1,9) and (10,-1,6) are the vertices of an isosceles right angled triangle.

Verify that (0, 7, 10) , (-1,6,6) and (-4, 9,6) are the vertices of a right angled triangle.

Verify the following: (0, 7, -10), (1, 6, -6) and (4, 9,-6) are the vertices of an isosceles triangle.

Show that the points (3, 4), (8, -6) and (13, 9) are the vertices of a right angled triangle.

Show that the points : A (0,1,2),B(2,-1,3) and C (1,-3,1) are vertices of an isosceles right angle triangle.

Without using the Pythagoras theorem, show that the points (4, 4), (3, 5) and (-1,1) are the vertices of a right angled triangle.

Show that the triangle with vertices (0, 7, 10), (-1, 6, 6) and (- 4, 9, 6) is right-angled.