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Old 04-06-2009, 05:33 AM
  #4  
ghostrider
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All three shapes can easily be drawn inside a circle, the size of your choice, using only a compass and a straightedge.
hexagon http://en.wikipedia.org/wiki/Hexagon
pentagon http://en.wikipedia.org/wiki/Pentagon
octagon http://en.wikipedia.org/wiki/Octagon
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