Let A (0,7,10), B (-1,6,6,) and C (-4,9,6) are the vertices of a triangle.Show that it is a right angle triangle.

Let A (0,7,10), B (-1,6,6,) and C (-4,9,6) are the vertices of a triangle. Find the coordinate of the centre of the circle passing through the point A,B,C.

Verify the following: (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 an isosceles triangle.

Let A (0,4,1), B(2,3,-1) and C(4,5,0) be the vertices of a DeltaABC .Prove that DeltaABC is isosceles and right angled

Show that the point A(0,1,2), B(2,-1,3) and C(1,-3,1) are vertices of an isosceles right angled triangle.

Consider the triangle with vertices (0,7,-10) , (1,6,-6) and (4,9,-6) Prove that the triangle is right triangle.

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

Suppose that A (2,6,-4), B(4,-2,3) and C (x,y,z) are the vertices of a DeltaABC Find the co-ordinates of the centroid of the 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.