Last Updated
:2026/01/08
直角三角形
Hiragana
ちょっかくさんかっけい
Noun
Japanese Meaning
三つの辺を持ち、そのうち一つの角が90度(直角)である三角形 / 幾何学で扱われる基本的な図形の一つで、三平方の定理(ピタゴラスの定理)などに用いられる三角形 / 直角を挟む二辺(底辺と高さ)と斜辺から構成される三角形 / 建築・製図・測量などで、直角を示したり測ったりする際のモデルとして用いられる三角形の形状
Easy Japanese Meaning
きゅうじゅうどのかくがひとつあるさんかくけい
Chinese (Simplified) Meaning
有一个直角的三角形 / 一角为90°的三角形
Chinese (Traditional) Meaning
其中一角為直角的三角形 / 有一個90度角的三角形
Korean Meaning
한 각이 90도인 삼각형 / 직각을 갖는 삼각형
Indonesian
segitiga siku-siku / segitiga dengan satu sudut 90 derajat
Vietnamese Meaning
tam giác vuông / hình tam giác có một góc vuông / tam giác có góc 90°
Tagalog Meaning
tatsulok na may tamang anggulo / tatsulok na may 90° na anggulo
Sense(1)
a right-angled triangle
( canonical )
( romanization )
( romanization )
( hiragana historical )
( hiragana )
( alternative )
( Rōmaji )
( hiragana historical )
Quizzes for review
See correct answer
直角三角形
See correct answer
Please calculate the area of this right-angled triangle.
Please calculate the area of this right-angled triangle.
See correct answer
この直角三角形の面積を計算してください。
Japanese - English
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