Table P-X
External Similitude Centers
Points available in 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

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