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Nonagon
/nˌɒnˈaɡɒn/
/nˌɑːnˈæɡɑːn/
Esempio
1. Now, if you remember penta is the root for five pentagon five sides you get it A figure with six sides, that's called a hexagon and you can go all the way up, you have your heptagons, your octagons, your nonagons, your decagons, you even have a dodecagon.
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