nonagon

A polygon with nine sides and nine angles.

• 🇩🇪Ein Vieleck mit neun Seiten und neun Ecken.

1. Nine-sided polygon B2 formal

   A geometric shape with nine straight sides and nine angles.

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

   🇩🇪Neuneck

• nonagons plural form
• nonagons' possessive plural form
• nonagon's possessive singular form