Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan · leaf 221
Figure ii. Figure iii. second set leads to solutions defined by the triplets {k. 1. 8),(4. 5. 7), (13. 14. 9), (3. 6. 11), (10. 12. 2), or by the triplets{k. 1. 8), (6. 7. 9), (3. 4. 13), (5. 11. 14), (10. 12. 2): in thesesolutions all the triangles used are scalene. If any one ofthese three sets…
Geometry · Cryptography · Ciphers
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