The points A(3,1) , B (12,-2) and C(0,2) cannot be vertices of a triangle.

Points A(3,1), B(12, -2) and C(0,2) cannot be the vertices of a triangles.

The points A(1,1),B(3,2) and C(5,3) cannot be the vertices of the triangle ABD . Justify.

The points A(3,0) , B (a, -2) and C(4, -1) are the vertices of triangle ABC right angled at vertex A. Find the value of a.

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(0,4),B(1,2) and C(3,3) 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.

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.

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

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

Prove that the points A (1,2,3), B(2,3,1) and C(3,1,2) are the vertices of an equilateral triangle.