Last Updated
：2026/01/11
内角
Hiragana
ないかく
Noun
Japanese Meaning
図形や多角形の内側にある角。また、三角形や多角形の各頂点の内側の角度。 / 野球で、本塁に立つ打者寄りのストライクゾーンの角。ピッチャーから見て打者に近いコース。
Easy Japanese Meaning
なかのすみのかどや、たまがとおるストライクゾーンのうちがわのすみ
Chinese (Simplified) Meaning
（几何）图形内部的角 / （棒球）好球区靠近打者一侧的角
Chinese (Traditional) Meaning
（幾何）內部角 / （棒球）好球帶靠打者內側的角落
Korean Meaning
(기하) 내각 / (야구) 몸쪽 코너
Indonesian
(geometri) sudut dalam / (baseball) pojok dalam
Vietnamese Meaning
góc trong (hình học) / góc trong của khu vực ném bóng (bóng chày)
Tagalog Meaning
anggulong panloob (sa heometriya) / panloob na sulok ng strike zone (sa baseball)
Sense（1）
(geometry) internal angle; interior angle
Sense（2）
(baseball) inside corner
（ canonical ）
（ romanization ）
（ kyūjitai ）
（ hiragana ）
Quizzes for review
(geometry) internal angle; interior angle / (baseball) inside corner
See correct answer
内角
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The sum of the internal angles of this triangle is 180 degrees.
The sum of the internal angles of this triangle is 180 degrees.
See correct answer
この三角形の内角の合計は180度です。
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