median
don steward
mathematics teaching 10 ~ 16
Wednesday, 21 December 2011
joining 6 dots
how many ways are there to join 6 dots with a continuous line, not taking your pencil off the paper?
each point must have only two lines (arcs) coming from it
rotations and reflections are not counted as being different
there are 12
the regions are 2-coloured to better show the patterns:
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