The vertices of `DeltaABC" are "A(7,2,1),B(6,0,3),andC(4,2,4)." Find "angleABC.`

The vertices of AABC are A(7, 2, 1), B(6, 0, 3), and C(4, 2, 4). Find angleABC

The vertices of DeltaABC are A(-3,2) , B(0,3) and C(1,0) . Find the equation of the median through B .

The vertices of DeltaABC are A(-3,2) , B(0,3) and C(1,0) . Find the equation of the median through B .

The co-ordinates of the vertices of a DeltaABC are A(1, 0) , B(3, 6) and C(3, 2) . Find the length of its medians.

The co-ordinates of the vertices of a DeltaABC are A(1, 0) , B(3, 6) and C(3, 2) . Find the length of its medians.

If DeltaABC , if A-=(3,2,6), B-=(1,4,5) and C-=(3,5,3) , then m angleABC=

In DeltaABC , if A-=(3,2,6), B-=(1,4,5) and C-=(3,5,3) , then m angleABC=

Find the equation of the sides of DeltaABC whose vertices are A(2,-3) , B(0,1) and C(4,2) .