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The Reflection Triangle and the Orthocenter
Autore:
Steve Phelps
Argomento:
Geometria
,
Ortocentro
,
Simmetrie
Let triangle A'B'C' be the triangle formed by reflecting the vertices of triangle ABC in the opposite sides. Circles A'BC, B'AC, and C'AB intersect at the orthocenter H of triangle ABC.
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