Home page | Catalogue | Classes | Tables | Glossary | Notations | Links | Bibliography | Thanks | Downloads | Related Curves

centers of the 3 Apollonius circles

K149 is the locus of point P such that the pedal triangles of P and its isotomic conjugate P' are parallelogic (together with the de Longchamps line).

K149 is a member of the class CL022 of cubics.