You posted while I was still replying. You are trying to trace a vector from A to 1/2 BC then. 1/2 BC is 1/2 (B+C). I’m going to guess that you are trying to determine the path of something going from A to the middle of BC.
You posted while I was still replying. You are trying to trace a vector from A to 1/2 BC then. 1/2 BC is 1/2 (B+C). I’m going to guess that you are trying to determine the path of something going from A to the middle of BC.