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Topic: Euclidean, Hyperbolic and Elliptic Geometry
Replies: 4   Last Post: Mar 12, 2009 9:24 PM

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Posts: 2
From: Miley, Cyprus
Registered: 3/3/09
Re: Euclidean, Hyperbolic and Elliptic Geometry
Posted: Mar 3, 2009 1:18 AM
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There are no universal postulates. Parallel lines are different in hyperbolic and also euclidean, and also a hyperbolic triangle can have the sum of degrees as 210. As for ratio between euclidean sines and hyperbolic sines, i truly have no ides.

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