The inner Napoleon point is the Concurrence of lines drawn between Vertices of a given Triangle and the opposite Vertices of the corresponding
inner Napoleon Triangle
. The Triangle Center Function of the
inner Napoleon point is

The outer Napoleon point is the Concurrence of lines drawn between Vertices of a given Triangle and the opposite Vertices of the corresponding
outer Napoleon Triangle
. The Triangle Center Function of
the point is

**References**

Casey, J. *Analytic Geometry, 2nd ed.* Dublin: Hodges, Figgis, & Co., pp. 442-444, 1893.

Kimberling, C. ``Central Points and Central Lines in the Plane of a Triangle.'' *Math. Mag.* **67**, 163-187, 1994.

© 1996-9

1999-05-25