Degenerate case of a theorem of Pascal

Auteur :msa

If ABC is a triangle, and P, Q and R are the intersections of the tangents to the circumcircle at the vertices with their opposite sides, then P, Q, and R are collinear.

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從邊長辨認四邊形

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ESP ALIŞTIRMA DENKLEMLER SİSTEMİ 3X3
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Quadrilatère Quelconque
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