たいかくせん
対角線
1. diagonal (line)
2. DiagonalA diagonal is a line joining two nonconsecutive vertices of a polygon or polyhedron. Informally, any sloping line is called diagonal. The word "diagonal" derives from the Greek διαγώνιος (diagonios), from dia- ("through", "across") and gonia ("angle", related to gony "knee"); it was used by both Strabo and Euclid to refer to a line connecting two vertices of a rhombus or cuboid, and later adopted into Latin as diagonus ("slanting line").
Read “Diagonal” on English Wikipedia
Read “対角線” on Japanese Wikipedia
Read “Diagonal” on DBpedia
Read “Diagonal” on English Wikipedia
Read “対角線” on Japanese Wikipedia
Read “Diagonal” on DBpedia
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