Degenerate case of a theorem of Pascal

Autor: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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Measuring Cup
Isosceles Triangle Cross Sections
Equilateral Triangle Cross Sections
Weighing Scales (g): Practice

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Proving a pgram
Step 9
Discovery #1
assignment 8 part 4
Trig Ratios

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Liczby wymierne
Koło
Cosinus
Arytmetyczne
Conic Sections