**r3** |
centroid,
*similar
triangles* |

**r4** |
perspective,
third
Brocard point |

**r5** |
ninecenter |

**r6** |
Steiner
point, parallelogic triangles |

**r7** |
Tarry point,
orthologic
triangles |

**r11** |
centroid,
second
Brocard triangle, perspective |

**r13** |
orthocenter,
retrocenter,
third
Brocard point |

**r15** |
Brocard
points, perspective, third
Brocard point, Conway point |

**r17** |
symmedian
point,
Steiner point |

**r20** |
Euler line,
centroid,
Tarry
point |

**r21** |
second
Brocard triangle, isotomic points,
tripole |

**r22** |
symmedian
lines,
medians |

**r77** |
symmedian
point |

**r78** |
third
Brocard triangle, perspective,
Brocard
points |

**d** |
*third Brocard triangle * |

**r165** |
Brocard
points, third
Brocard triangle |

**r369** |
Conway
point, third Brocard point, third
Brocard triangle, isogonal points,
desmic
structure |

**r448** |
isogonal
points, Steiner circumellipse, Beltrami
points |

**r449** |
isotomic
points,
Brocard
points |

**r679** |
second
Brocard triangle, circummedial triangle |

**r1518** |
Steiner
circumellipse, Brocard
points |