The Triangle formed by connecting the points used to construct the Yff Points is called
the first Yff triangle. The Area of the triangle is

where is the Circumradius of the original Triangle . The second Yff triangle is formed by connecting the Isotomic Conjugate Points of , , and .

**References**

Yff, P. ``An Analog of the Brocard Points.'' *Amer. Math. Monthly* **70**, 495-501, 1963.

© 1996-9

1999-05-26