r8 |
pedal triangle,
centroid,
similar
triangles |

r9 |
circumcenter, symmedian lines |

r10 |
similar triangles |

r11 |
first Brocard triangle, centroid, perspective |

r21 |
first Brocard triangle, isotomic points, tripole |

d |
first Brocard parabola |

d |
Johnson triangle |

d |
McCay circles |

r679 |
first Brocard triangle, circummedial triangle |

r680 |
circumcircle,
Brocard
circle,
circumcenter,
Apollonian
circles, inverse points |

r689 |
circumcenter,
Apollonian
circles,
Brocard points,
pedal triangle, Beltrami
points, similar triangles |