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  • Kadon Enterprises, Tilings and Designs, Page 1 of 4
    Kadon Enterprises, Inc , Tilings and Designs page (part 1 of 4) of Kadon's online catalog of original puzzles and games
  • Kadon Enterprises, Inc. , Tilings and Designs, Page 3 of 4
    Kadon Enterprises, Inc , Tilings and Designs page (part 3 of 4) of Kadon's on-line catalog of original puzzles and games
  • Solution - math puzzle
    material added 17 February 2001 Erich Friedman made a page about Circles through Points David Eppstein (Geometry Junkyard) suggested combining these problems What is the fewest number of continuous arcs needed to pass through a grid of points?
  • The Lives and Games of Martin Gardner - Numericana
    (2009-01-17) Aperiodic Penrose Tilings (1977) Matching the colors of the kite and dart tiles The two Penrose tiles are quadrilaterals consisting of two pairs of equal sides whose lengths are in a golden ratio : f = 1 6180339887498948482 This yields angles that are multiples of p 5 and allow various types of pentagonal patterns around any vertex where several tiles meet (without voids)
  • Regelmäßiges Zehneck - mathematische-basteleien. de
    Das regelmäßige Zehneck ist ein Vieleck mit zehn gleich langen Seiten und zehn gleich großen Innenwinkeln




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