三角形

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三角形

Where it comes from

マテオ・リッチの造語。

noun さんかくけい · さんかっけい

  1. 図形 同一直線上にない3つの点と、その各2つの点をそれぞれ両端とする3つの線分からなる図形。3つの頂点と3つの辺をもつ。記号△。

Similar: 三角

Thesaurus

noun

Similar: 三角

In English

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Cite this
MLA

"三角形." Wiktionary, via Micwyn, micwyn.com/word/ja/%E4%B8%89%E8%A7%92%E5%BD%A2. Accessed 7 Nov. 2026.

APA

三角形. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/ja/%E4%B8%89%E8%A7%92%E5%BD%A2

Chicago

"三角形." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/ja/%E4%B8%89%E8%A7%92%E5%BD%A2.

BibTeX
@misc{micwyn_2026,
  title = {三角形},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ja/%E4%B8%89%E8%A7%92%E5%BD%A2},
  urldate = {2026-11-07}
}