
#1
Feb1513, 10:59 AM

P: 333

http://en.wikipedia.org/wiki/Pappus's_centroid_theorem (the second one)
When we do this with a torus, wouldn't we gaps tiny gaps between the discs on the outer edge? The slices are closer together on the inner edge and this prevents them from getting any closer on the outer edge so shouldn't we have some gaps? 


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