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

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

Are the points A(3,6,9),\ B(10 , 20 , 30)a n d\ C(25 ,-41 ,5), the vertices of a right angled 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.

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

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

Without using the Pythagoras theorem, show that the points (4, 4) , (3, 5) and (1, 1) 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 A (1,-3) B (-3,0) and C(4,1) are the vertices of an isosceles right angle triangle. Find the area of the triangle.

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