undecagon

• Substantiv, das ein Polygon mit elf Seiten und elf Ecken bezeichnet.

A noun referring to a polygon with eleven sides and eleven angles.

1. Eleven-sided polygonC2formal

   A geometric shape that has eleven straight sides and eleven angles.

   Elfeck

   • The architect designed a building with an undecagon base.
   • In geometry class, we learned how to calculate the interior angles of an undecagon.
   • A regular undecagon has equal sides and equal angles.