1. 
   Hendecagon
   Hen·dec'a·gon noun [ Greek ... eleven + ... angle: confer French hendécagone .] (Geom.) A plane figure of eleven sides and eleven angles. [ Written also endecagon .]
   Found op http://www.encyclo.co.uk/webster/H/33
   
   
2. 
   hendecagon
   <geometry> A plane figure of eleven sides and eleven angles. ... Alternative forms: endecagon. ... Origin: Gr. Eleven + angle: cf. F. Hendecagone. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?hendecagon
   
   
3. 
   Hendecagon
   • (n.) A plane figure of eleven sides and eleven angles.
   Found op http://thinkexist.com/dictionary/meaning/hendecagon/
   
   
4. 
   hendecagon
   hendecagon A plane figure having eleven sides and eleven angles.
   Found op http://www.wordinfo.info/words/index/info/view_unit/972/
   
   
5. 
   Hendecagon
   In geometry, a hendecagon (also undecagon) is an 11-sided polygon. (The name hendecagon, from Greek hendeka "eleven" and gon– "corner", is often preferred to the hybrid undecagon, whose first syllable un– is Latin for "one".) ==Regular hendecagon== A regular hendecagon is not constructible with...
   Found op http://en.wikipedia.org/wiki/Hendecagon
   
   
6. 
   hendecagon
   1) Definition a polygon with eleven sides
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/hendecagon/1
   
   

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