Table P-X
External Centers of Similitude
Points available in the Kimberling's Encyclopedia ETC.
The ETC version: The 10200 points version of 2016.
The "Discoverer" database version: October 2013.
Last update: 2016-11-02

      Role     Kimberling Notation  
  1     External Center of Similitude of the Circumcircle of the Outer Grebe Triangle and the Nine-Point Circle of the Outer Grebe Triangle     X(5870)    
  2     External Center of Similitude of the Circumcircle of the Outer Grebe Triangle and the Excentral Circle of the Outer Grebe Triangle     X(3640)    
  3     External Center of Similitude of the Circumcircle of the Outer Grebe Triangle and the Half-Moses Circle of the Outer Grebe Triangle     X(6)   Symmedian Point  
  4     External Center of Similitude of the Incircle of the Outer Grebe Triangle and the Inner Johnson-Yff Circle of the Outer Grebe Triangle     X(5870)    
  5     External Center of Similitude of the Incircle of the Outer Grebe Triangle and the Outer Johnson-Yff Circle of the Outer Grebe Triangle     X(5870)    
  6     External Center of Similitude of the Nine-Point Circle of the Outer Grebe Triangle and the Tangential Circle of the Outer Grebe Triangle     X(1160)    
  7     External Center of Similitude of the Nine-Point Circle of the Outer Grebe Triangle and the Sine-Triple-Angle Circle of the Outer Grebe Triangle     X(6276)    
  8     External Center of Similitude of the Antimedial Circle of the Outer Grebe Triangle and the Nine-Point Circle of the Outer Grebe Triangle     X(5860)    
  9     External Center of Similitude of the Inner Johnson-Yff Circle of the Outer Grebe Triangle and the Outer Johnson-Yff Circle of the Outer Grebe Triangle     X(5870)    
  10     External Center of Similitude of the Cosine Circle of the Outer Grebe Triangle and the Nine-Point Circle of the Outer Grebe Triangle     X(6280)