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Sharygin Geometry Olympiad
2019 Sharygin Geometry Olympiad
21
21
Part of
2019 Sharygin Geometry Olympiad
Problems
(1)
Sharygin CR 2019 P21
Source: Sharygin CR 2019 P21 (Grade 10 - 11)
3/6/2019
An ellipse
Γ
\Gamma
Γ
and its chord
A
B
AB
A
B
are given. Find the locus of orthocenters of triangles
A
B
C
ABC
A
BC
inscribed into
Γ
\Gamma
Γ
.
geometry