Jisho

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Noun
1. dodecagonGeometry
Wikipedia definition
2. DodecagonIn geometry, a dodecagon is any polygon with twelve sides and twelve angles.
Read “Dodecagon” on English Wikipedia
Read “十二角形” on Japanese Wikipedia
Read “Dodecagon” on DBpedia
Other forms
十二角形 【じゅうにかっけい】

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