1. TridecagonIn geometry, a tridecagon (or triskaidecagon) is a polygon with 13 sides and angles.
Read “Tridecagon” on English Wikipedia
Read “十三角形” on Japanese Wikipedia
Read “Tridecagon” on DBpedia
Read “Tridecagon” on English Wikipedia
Read “十三角形” on Japanese Wikipedia
Read “Tridecagon” on DBpedia
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