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

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 A(2,-1,3),B(1,-3,1) and C(0,1,2) are the vertices of an isosceles 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.

Prove that the points A(1,−3),B(−3,0) and C(4,1) are the vertices of a right angled Isosceles 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.

Prove that the points (-3,\ 0),\ (1,\ -3) and (4,\ 1) are the vertices of an isosceles right-angled triangle. Find the area of this triangle.

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

Prove that the points A(-5,4),B(-1,-2) and C(5,2) are the vertices of an isosceles right angled triangles.

Show that the points A(7, 10), B(-2, 5) and C(3, -4) are the vertices of an isosceles right-angled triangle.