Last Updated
：2026/01/09
直角
Hiragana
ちょっかく
Noun
Japanese Meaning
（幾何学）直角
Easy Japanese Meaning
ふたつのまっすぐなせんが、たてとよこになるときのかく。きゅうじゅうどのかく。
Chinese (Simplified) Meaning
角度为90°的角 / 两线相互垂直时形成的角
Chinese (Traditional) Meaning
90度的角 / 兩條直線垂直相交所形成的角
Korean Meaning
90도의 각도 / 서로 수직인 두 선이 이루는 각
Indonesian
sudut siku-siku (90°) / sudut 90 derajat
Vietnamese Meaning
góc vuông / góc 90 độ
Tagalog Meaning
tamang anggulo / anggulo na 90° / perpendikular na anggulo
Sense（1）
(geometry) a right angle
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
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直角
See correct answer
If one interior angle of a triangle is a right angle, it is easy to prove that the sum of the other two angles is 90 degrees.
If one interior angle of a triangle is a right angle, it is easy to prove that the sum of the other two angles is 90 degrees.
See correct answer
三角形の一つの内角が直角である場合、残りの二つの角の和が90度になることは簡単に証明できる。
Japanese - English
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