Vector Methods: Point to line
- Author:
- Ryan Hirst
- Topic:
- Vectors
Given points A,B, the line joining them, and a third point in space C,
let C' be the closest point to C on AB.
There are many names and contexts for this relationship.
C' is the projection of C on the line AB.
In triangle ΔABC, CC' is the altitude of vertex C on base AB.