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