hi,can i ask on how the parallel postulate is altered in these non euclidean geometries?

hi,can i ask on how the parallel postulate is altered in these non euclidean geometries? [closed]

also can i research on models that will help visualize these non euclidean geometries? also can u explain if is it true in non euclidean geometries,a consequence of the parallel postulate in euclidean geometry is the theorem stating that the sum of the 3angles of any triangle is 180? and could you give me some applications of non euclidean geometries.
thank you,

flag	asked Sep 8 2011 at 6:53 honey tupas 1

The wikipedia pages: en.wikipedia.org/wiki/Non-Euclidean_geometry and en.wikipedia.org/wiki/Parallel_postulate are good places to start. After that I suggest perhaps trying math.stackexchange.com. I'm voting to close your question, as the content is not suitable for this forum. – Ryan Budney Sep 8 2011 at 6:55

closed as off topic by Ryan Budney, Dan Petersen, David Roberts, Neil Strickland, Scott Morrison♦ Sep 8 2011 at 7:38

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