Table X-P
External Similitude Centers
Points available at the Kimberling's Encyclopedia ETC.
The ETC version: The 11704 points version of 2016.
The "Discoverer" database version: October 2013.
Last update: 2017-03-11

      Kimberling Notation     Role  
  1     X(1) Incenter     External Center of Similitude of the Cosine Circle of Triangle ABC and the Cosine Circle wrt the Excenters-Incenter Reflections Triangle  
  2     X(8) Nagel Point     External Center of Similitude of the Nine-Point Circle of Triangle ABC and the Nine-Point Circle wrt the Excenters-Incenter Reflections Triangle  
  3     X(145) Nagel Point of the Anticomplementary Triangle     External Center of Similitude of the Antimedial Circle of Triangle ABC and the Nine-Point Circle wrt the Excenters-Incenter Reflections Triangle  
  4     X(145) Nagel Point of the Anticomplementary Triangle     External Center of Similitude of the Conway Circle of Triangle ABC and the Taylor Circle wrt the Excenters-Incenter Reflections Triangle  
  5     X(165) Centroid of the Excentral Triangle     External Center of Similitude of the Circumcircle of Triangle ABC and the Antimedial Circle wrt the Excenters-Incenter Reflections Triangle  
  6     X(2098)     External Center of Similitude of the Incircle of Triangle ABC and the Nine-Point Circle wrt the Excenters-Incenter Reflections Triangle  
  7     X(3679)     External Center of Similitude of the Nine-Point Circle of Triangle ABC and the Circumcircle wrt the Excenters-Incenter Reflections Triangle  
  8     X(5289)     External Center of Similitude of the Spieker Circle of Triangle ABC and the Nine-Point Circle wrt the Excenters-Incenter Reflections Triangle  
  9     X(5691)     External Center of Similitude of the Antimedial Circle of Triangle ABC and the Antimedial Circle wrt the Excenters-Incenter Reflections Triangle  
  10     X(7962)     External Center of Similitude of the Incircle of Triangle ABC and the Circumcircle wrt the Excenters-Incenter Reflections Triangle  
  11     X(7989)     External Center of Similitude of the Nine-Point Circle of Triangle ABC and the Antimedial Circle wrt the Excenters-Incenter Reflections Triangle  
  12     X(7991)     External Center of Similitude of the Circumcircle of Triangle ABC and the Circumcircle wrt the Excenters-Incenter Reflections Triangle  
  13     X(7991)     External Center of Similitude of the Excentral Circle of Triangle ABC and the Antimedial Circle wrt the Excenters-Incenter Reflections Triangle  
  14     X(8580)     External Center of Similitude of the Spieker Circle of Triangle ABC and the Antimedial Circle wrt the Excenters-Incenter Reflections Triangle  
  15     X(9593)     External Center of Similitude of the Moses Circle of Triangle ABC and the Antimedial Circle wrt the Excenters-Incenter Reflections Triangle  
  16     X(10944)     External Center of Similitude of the Inner Johnson-Yff Circle of Triangle ABC and the Nine-Point Circle wrt the Excenters-Incenter Reflections Triangle  
  17     X(11531)     External Center of Similitude of the Excentral Circle of Triangle ABC and the Nine-Point Circle wrt the Excenters-Incenter Reflections Triangle  
  18     X(11682)     External Center of Similitude of the Antimedial Circle of Triangle ABC and the Tangential Circle wrt the Excenters-Incenter Reflections Triangle