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Results tagged with euclidean-geometry
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user 66313
Euclidean geometry is a mathematical system attributed to the Alexandrian Greek mathematician Euclid, which he described in his textbook on geometry: the Elements. Euclid's method consists in assuming a small set of intuitively appealing axioms, and deducing many other propositions (theorems) from these.
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ten concurrent lines
This also seems to hold for the orthocenter, nine point circle, and delongchamps point but not the exeter point.
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