The anticomplementary circle is the circumcircle of the anticomplementary triangle. It has radius
 |
where 
is the circumradius of the reference
triangle, and center at the orthocenter 
.
Its circle function is
 |
corresponding to the third power point 
.
It passes through Kimberling centers 
for 
, 147, 148, 149, 150, 151, 152, and 153.
