| r50 | tangential triangle, intangential triangle, homothetic triangles, point X(55) |
| d | Clawson point |
| r410 | excircles, incircle, homothetic triangles |
| r570 | perspective, point X(65) |
| r692 | Yff central triangle |
| r1801 | centroid, incenter, excenters, circumcenter, parallelogic triangles |