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

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

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

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

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

show that the points A(1,-1,-5), B(3,1,3) and C(9,1,-3) are the vertices of an equilateral 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.

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

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.

If A(-2,1),B(2,3) and C(-2,-4) be the vertices of a triangle ABC , show that tan B=(2)/(3)

A(5, 4), B(-3, -2) and C(1,-8) are the vertices of a triangle ABC. Find the equation of median AD