A dodecagon is a twelve-sided polygon that is often used in mathematical discussions and geometry problems. Interestingly, there are several synonyms for the word dodecagon that can be used in both formal and informal settings. Some common synonyms include twelve-gon, twelve-sided figure, duodecagon, and dodecahedron. These words can be used interchangeably and are often seen in textbooks, academic articles, and classroom discussions. Additionally, there are several other specialized terms that can be used to describe specific types of dodecagons, such as the regular dodecagon, which has equal sides and angles, or the concave dodecagon, which is inwardly curved.