2 ms·
Rice's pentagons are illustrated here [1]: Type 9, Type 11, Type 12 and Type 13. [1] http://www.mathpuzzle.com/tilepent.html http://www.mathpuzzle.com/tilepent
by shoo 11y ago
Rice's pentagons are illustrated here [1]: Type 9, Type 11, Type 12 and Type 13.
[1] http://www.mathpuzzle.com/tilepent.html http://www.mathpuzzle.com/tilepent.html
- morcheeba 11y ago>Types 6-8 were found by R. B. Kershner in 1968. >Type 10 was found R. James in 1975. >Types 9, 11-13 were found by M. Rice in 1976-1977. Dammit, R. James! You can't just skip numbers like that and mess up Rice's streak!!