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

Without using Pythagoras theorem, show that the points A(2,1) , B(5,4) and C(3,6) are the vertices of a right-angled triangle.

Without using Pythagoras theorem, show that the points A(0,4),\ B(1,2)a n d\ C(3,3) are the vertices of a right angled triangle.

Without using pythagoras theorem, show that the points A(-1,3) ,B(0,5) and C(3,1) are the vertices of a right angled triangle

Prove that the points (3, 0), (6, 4) and (-1, 3) are the vertices of a right angled isosceles triangle.

Without using the distance formula, show that the points A (4, -2), B (-4, 4) and C (10, 6) are the vertices of a right-angled triangle.

Find out whether the points (0, 7, 10), (-1,6,6) and (-4,9,6) are the vertices of a right angled triangle.

Prove that points (2,-1,1),(1,-3,-5) and (3,-4,-4) are the vertices of a righat angled triangle.

Show that the points P (0, 5), Q(5, 10) and R(6, 3) are the vertices of an isosecles triangle.

The points A(x,y), B(y, z) and C(z,x) represents the vertices of a right angled triangle, if