dodecagon

• Nom masculin désignant un polygone qui a douze côtés et douze angles.

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.

   Polygone à douze côtés

   • 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.