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Sentence
Span Details
正三角形
equilateral triangle; regular trianglenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
内角
interior angle; internal angle; inside cornernoun
は
topic markergrammar
すべて
everything; all; the whole; entirely; completely-> 全てnoun, no-adjective, adverb
等角
equal angles; equiangular; isometric; conformalnoun, noun-modifying
である。
formal copulagrammar