noun🔗Share라디안In the International System of Units, the derived unit of plane angular measure of angle equal to the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle. Symbol: rad"The pizza slice measured an angle of 0.5 radians, meaning the crust's length was half the pizza's radius. "피자 조각은 0.5 라디안의 각도를 측정했는데, 이는 빵 껍질의 길이가 피자 반지름의 절반임을 의미합니다.mathphysicstechnicalunitChat with AIVocabulary GamePractice Reading