d | isogonal points |
d | symmedian lines |
r618 | orthopole |
r644 | point X(110), circumconic, Lemoine line, De Longchamps line, Steiner point, circumcircle, isotomic lines |
r892 | circumcircle, Simson line |
r1301 | orthic triangle |
r1302 | circumcircle, Brocard line |
r1544 | circumcircle, tripolar, centroid |