| d | Fuhrmann circle |
| r225 | orthocenter, incenter |
| r471 | intouch triangle, similar triangles |
| r473 | incenter, ninecenter, homothetic triangles |
| r605 | point X(80), orthologic triangles |
| r632 | orthocenter, Fuhrmann circle |
| r633 | circumcircle |
| r1285 | perspective, orthologic triangles, orthic triangle |
| r1441 | ninecircle |