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 a right angled triangle.

Show that the points (3, 4), (8, -6) and (13, 9) 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.

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

Without using the pythagorus, show that the points (4, 4), (3, 5) and (-1, -1) are the vertices of a right angled 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 points (2,4,3),(4,1,9) and (10,-1,6) are the vertices of an isosceles right angled triangle.

Are the points A (3, 6, 9), B (10, 20, 30) and C (25,- 41, 5) the vertices of a right-angled triangle ?

Check whether (5,- 2) , (6, 4) and (7, -2) are the vertices of an isosceles triangle.

Show that the triangle with vertices (6, 10, 10), (1, 0, - 5) and (6, - 10, 0) is a right-angled triangle.