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

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) and C(25,-41,5) the vertices of a right angled triangle?

(a) show that the triangle with vetices (0,7,10) (-1,6,6) and (-4,9,6) is right angled (b) 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) and 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 a right-angled triangle ?

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?

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.