Given a Triangle , construct the Contact Triangle . Then the Nobbs points are the three points , , and from which and are Perspective, as illustrated above. The Nobbs points are Collinear and fall along the Gergonne Line.

**References**

Oldknow, A. ``The Euler-Gergonne-Soddy Triangle of a Triangle.'' *Amer. Math. Monthly* **103**, 319-329, 1996.

© 1996-9

1999-05-25