| r384 | incircle, perspective, tangent circles |
| r459 | incircle, tripolar |
| r460 | incircle, perspective |
| r461 | incircle,first mid-arc point, incenter |
| r635 | incircle, centroid, incenter, Euler line |
| r636 | incenter, incircle, intouch triangle, homothetic triangles |
| r643 | |
| r664 | perspective, excircles, medial triangle |
| r694 | Yff central triangle, perspective, intouch triangle |
| r718 | perspective, excircles, medial triangle, complement |
| r1069 | isogonal points, incenter |
| r1607 | Feuerbach point, concyclic points |
| r1608 | incenter, circumcenter |