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?

Are the points A(3, 6, 9), Q(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) and C(25,-41,5) the vertices of are right angle 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.

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

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

Show that the points (0, 7, 10), (-1, 6, 6) and (-4, 9, 6) are the vertices of an isosceles right angled triangle.

Without using Pythagoras's theorem, show that the points A(1, 2), B(4, 5) and C(6, 3) are the vertices of a right-angled triangle.

Using vector method, show that the points A(1,-1,0), B(4,-3,1) and C(2,-4,5) are the vertices of a right -angled triangle.