undecagon

undecagon
   A closed polygon bounded by eleven straight-line segments. The formula with which to find an equilateral undecagon's area is 9.3656 times the length of one side squared. Also see mathematics, radial, shape, and vertex.

Glossary of Art Terms. 2014.

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  • Undecagon — Un*dec a*gon, n. [L. undecim eleven + Gr. ? an angle.] (Geom.) A figure having eleven angles and eleven sides. [1913 Webster] …   The Collaborative International Dictionary of English

  • Undecagon — (Undecagōnum, lat. u. gr.), Elfeck …   Pierer's Universal-Lexikon

  • undecagon — /un dek euh gon /, n. a polygon having 11 angles and 11 sides. [1720 30; < L un , as in undecim eleven (un(us) one + decim, comb. form of decem TEN) + DECAGON] * * * …   Universalium

  • undecagon — noun A polygon with eleven sides and eleven angles. Syn: hendecagon See Also: undecagonal …   Wiktionary

  • undecagon — [ʌn dɛkəg(ə)n] noun another term for hendecagon. Origin C18: formed irregularly from L. undecim eleven , on the pattern of decagon …   English new terms dictionary

  • undecagon — un·dec·a·gon …   English syllables

  • undecagon — /ʌnˈdɛkəgɒn/ (say un dekuhgon) noun a polygon having eleven angles and eleven sides. {Latin undec(im) eleven + (dec)agon} …  

  • undecagon —   n. eleven sided plane figure …   Dictionary of difficult words

  • undecagon — n. = HENDECAGON. Etymology: L undecim eleven, after decagon …   Useful english dictionary

  • Hendecagon — In geometry, a hendecagon (also undecagon [ [http://www.mathopenref.com/undecagon.html Undecagon Definition Math Open Reference] ] ) is an 11 sided polygon. The name undecagon is often seen as incorrect, but the matter is up for debate. The… …   Wikipedia

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