# Thread: A Vector problem

1. ## A Vector problem

The coordinates of the points A and B are(1,2,1) and(4,-2,2) .C is a point on the line AB such that OC bisects the angle AOB. Find the ratio AC:CB.

2. Originally Posted by Whizzerkid
The coordinates of the points A and B are(1,2,1) and(4,-2,2) .C is a point on the line AB such that OC bisects the angle AOB. Find the ratio AC:CB.
The Angle Bisector Theorem. How a bisector creates proportional sides of a triangle..