Last Updated：2026/01/06
Sentence
When expressing the circumference ratio in radians, 180 degrees becomes π radians.
Chinese (Simplified) Translation
用弧度表示时，180度等于π弧度。
Chinese (Traditional) Translation
以弧度表示，180 度等於 π 弧度。
Korean Translation
원주율을 라디안으로 나타내면 180도는 π 라디안이 됩니다.
Vietnamese Translation
Khi biểu diễn bằng radian, 180 độ là π radian.
Tagalog Translation
Kung ipapahayag ang π sa radian, ang 180° ay π radian.
Quizzes for review
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When expressing the circumference ratio in radians, 180 degrees becomes π radians.
When expressing the circumference ratio in radians, 180 degrees becomes π radians.
See correct answer
円周率をラジアンで表すと、180度はπラジアンになります。
Related words
ラジアン
Hiragana
らじあん
Kanji
弧度
Noun
Japanese Meaning
角度の単位。円の半径と同じ長さの弧がつくる中心角を1ラジアンとし、円周の長さを半径の長さで割った 2π を 1周とする。そのため 180 度はおよそ π ラジアン、1 ラジアンは約 57.3 度に相当する。 / 数学・物理学などで用いられる角度の自然な単位で、微積分などの解析において便利なため、理工系の分野では弧度法として広く採用されている。
Easy Japanese Meaning
円のまわりを六点二八でわった長さで決める角度の大きさの単位
Chinese (Simplified) Meaning
弧度 / 角度的计量单位，弧长等于半径时的圆心角
Chinese (Traditional) Meaning
弧度 / 角度的單位，弧長與半徑相等時的角度
Korean Meaning
각도의 단위 / 호의 길이가 반지름과 같을 때의 각도
Vietnamese Meaning
đơn vị đo góc trong toán học / đơn vị SI của góc phẳng / góc có cung tròn dài bằng bán kính
Tagalog Meaning
yunit ng pagsukat ng anggulo / anggulo na ang haba ng arko ay kapantay ng radius
Related Words
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