ISOGONAL LINES


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

índexs