(123) 5

Part of 1986 Tournament Of Towns

Problems(1)

TOT 123 1986 Autumn J5 locus of orthocenters of triangles inscribed in circle

Source:

Find the locus of the orthocentres (i.e. the point where three altitudes meet) of the triangles inscribed in a given circle .
(A. Andjans, Riga)

geometryLocusorthocentercircle