Menelaus' and Ceva's Theorem for Spherical Triangle
Автор: Wolfram Demonstrations Project
Загружено: 2017-06-08
Просмотров: 368
Описание:
http://demonstrations.wolfram.com/Men...
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Draw a spherical triangle ABC on the surface of a unit sphere centered at O=(0,0,0). Let the sides opposite the corresponding vertices be the arcs a, b, c and contain the points A', B', C'. Menelaus's theorem for a spherical triangle states: The rays OA...
Contributed by: Izidor Hafner
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