p31m' versus p3m'
In this pair, which is p31m' and which is p3m'?
Both have 3-centers and negating mirrors, but which is which?
Communications in Visual Mathematics, vol 1, no 1, August 1998.
Copyright © 1998,
The Mathematical Association of America.
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Created: 08 Jul 1998 ---
Last modified: 18 Aug 1998 23:59:59
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