**r410** |
excircles,
extangential
triangle, *homothetic triangles* |

**r429** |
Schröder
point, Weill point,
*inverse points* |

**r433** |
Bevan-Schröder
point, point
X(65), *inverse points* |

**r438** |
extouch
triangle |

**r458** |
first
mid-arc point |

**r459** |
Yff point,
tripolar |

**r460** |
Yff point,
perspective |

**r461** |
Yff point,
first
mid-arc point, incenter |

**r462** |
incenter,
*homothetic
triangles* |

**r539** |
altitude
feet,
*concyclic points* |

**r547** |
intouch
triangle, point X(56), *homothetic triangles* |

**r548** |
intouch
triangle, point X(12), medial
triangle, *homothetic triangles* |

**r550** |
intouch
triangle, circumconic,
cevian
triangle |

**r561** |
intouch
triangle, point X(55),
cevian
triangle, Weill point |

**r609** |
tripolar,
Gergonne
point |

**r612** |
incenter |

**r622** |
perspective,
Pelletier
triangle |

**r635** |
centroid,
Yff
point, incenter,
Euler
line |

**r636** |
Yff point,
incenter,
intouch
triangle,
*homothetic triangles* |

**r659** |
Simson
line, poristic triangles, incenter |

**r667** |
*tangent circles* |

**r668** |
intouch
triangle, perspective,
point
X(57), *tangent circles* |

**r669** |
point X(57),
*tangent
circles, radical center* |

**r670** |
perspective,
*tangent
circles* |

**r709** |
Fletcher
point, Gergonne point, *inverse points* |