Feuerbachova točka in trikotnik
The Feuerbach Theorem states that the nine-point circle is internally tangent to the incircle and externally
tangent to the three excircles.
The Feuerbach point is the point of tangency between the incircle and nine-point circle.
Točka, kjer se včrtana krožnica trikotnika in Eulerjeva krožnica tega trikotnika
dotikata, se imenuje Feurbachova točka F trikotnika