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80 bytes added ,  17:51, April 5, 2007
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[[Image:Ghdyt.png|right|thumb|300px]]
 
[[Image:Ghdyt.png|right|thumb|300px]]
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A '''Torus''' can be defined as the [[cartesian product]] of 2 [[circles]].
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A '''Torus''' can be defined as the [[cartesian product]] of 2 [[circles]].  It can be constructed from a [[rectangle]] by identifying its opposite edges.  
    
[[Category:Geometry]]
 
[[Category:Geometry]]
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