ALTITUDES (1/3)


d orthocenter
d Schwatt lines
r170 Vecten squares
r178 Vecten squares
r368 centroid, circumcenter, orthocenter, isogonal points, desmic structure
r387 similar triangles
r400 excircles, orthocenter, circumcenter
r409 perspective, point X(262)
r443 Schwatt lines
r455
r530 orthocenter, circumcircle, antimedial triangle
r626 Tarry point, circumconic
r639 Vecten squares
r717 point X(92), circumcircle, tripolar
r755 polar circle
r774 orthocenter, circumcenter, ninecenter, Jerabek hyperbola, Kosnita point, point X(185), point X(389)
r775 orthocenter, circumcenter, point X(185), cevian triangle
r778 Nagel point
r804 Euler line, point X(265)
r852 orthiac triangles, point X(52)
r854 sinorthiac triangles, circumcenter
r898 perspective, excircles, intouch triangle
r915 orthocenter, symmedian point, De Longchamps point, Jerabek hyperbola
r917 excenters, intouch triangle
r955 second Brocard parabola
índexs
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