Contents  Mathematics > Polygon names 
 

Ever wondered what to call a 50 sided object? Here's a list of common polygons from three to 10,000 sides...

  • 3 - triangle (or trigon)
  • 4 - quadrilateral (or tetragon)
  • 5 - pentagon
  • 6 - hexagon
  • 7 - heptagon
  • 8 - octagon
  • 9 - enneagon (or "nonagon")
  • 10 - decagon
  • 11 - hendecagon
  • 12 - dodecagon
  • 13 - triskaidecagon
  • 15 - pentadecagon
  • 17 - heptadecagon
  • 19 - enneadecagon
  • 20 - icosagon
  • 30 - triacontagon
  • 50 - pentacontagon
  • 100 - hectagon
  • 1000 - chiliagon
  • 10,000 - myriagon

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