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dodecagon

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noun do·deca·gon \dō-ˈde-kə-ˌgän\

Definition of dodecagon

  1. :  a polygon of 12 angles and 12 sides



Origin and Etymology of dodecagon

Greek dōdekagōnon, from dōdeka- + -gōnon -gon


First Known Use: circa 1658


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