![]() |
||
Home page | Catalogue | Classes | Tables | Glossary | Notations | Links | Bibliography | Thanks | Downloads | Related Curves |
||
![]() |
||
too complicated to be written here. Click on the link to download a text file. |
||
X(3), X(13), X(14), X(262), X(511), X(1157), X(1297), X(2979) |
||
Geometric properties : |
||
K939 is the orthopivotal cubic O(X2979). Its singular focus F = X(15561) is the Psi-transform of X(2979) and actually the centroid of triangle X(3)X(4)X(99). F lies on the lines {2,2782}, {3,114}, {5,99}, etc. The isogonal transform of K939 is K940. |