The point of intersection of the straight lines joining the vertices of a triangle to the points at which the opposite sides are tangent to the escribed circles (see Fig.).
This is named after Ch. Nagel (1836).
|[a1]||N.A. Court, "College geometry" , Barnes & Noble (1952) pp. 160|
|[a2]||M. Berger, "Geometry" , I , Springer (1987) pp. Sect. 10.13.30|
Nagel point. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Nagel_point&oldid=53665