Last Updated
：2025/12/21
正三角形
Hiragana
せいさんかっけい
Noun
Japanese Meaning
3つの辺の長さがすべて等しい三角形。すべての内角が60度である。 / 対称性が高く、数学や幾何学で基本図形として扱われる三角形。
Easy Japanese Meaning
三つの辺の長さが、ぜんぶおなじ三かくけいのこと
Chinese (Simplified)
三边相等的三角形 / 三个内角均为60°的三角形
Sense（1）
(mathematics) equilateral triangle
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
正三角形
See correct answer
He drew an equilateral triangle shape.
See correct answer
彼は正三角形の図形を描きました。
Japanese - English
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