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Volume 67 - Issue 441 - October 1983

Contents

Page 1 of 3

Other

Research Article

  • A cardboard approach to factor groups

  • Keith Austin
  • Published online by Cambridge University Press:
    22 September 2016, pp. 197-203

  • Example 1

    Take a cardboard equilateral triangle. It is well known that this has six symmetries. To display these symmetries we colour the vertices of the triangle on both sides of the card with three different colours.

  • Buffon inverted

  • S. Handwich
  • Published online by Cambridge University Press:
    22 September 2016, pp. 203-206

  • In 1777 Georges Leclerc, Comte de Buffon, challenged the French Academy with a problem, now famous, which went as follows:

    Parallel lines, d units apart, are ruled on a plane surface; a needle of length l < d units is thrown at random on the plane; what is the probability that it will meet one of the parallel lines?

Other

Notes

Page 1 of 3