dodecagon

• Существительное, обозначающее многоугольник с двенадцатью сторонами и двенадцатью углами.

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

1. Twelve-sided polygonC1formal

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

   Двенадцатиугольник

   • The architect designed a building with a dodecagon floor plan.
   • A regular dodecagon has equal sides and equal angles.
   • Students learned to calculate the area of a dodecagon in geometry class.