central angle

central angle读音音标

英 [ˈsentrəl ˈæŋɡl]

美 [ˈsɛntrəl ˈæŋɡəl]

central angle意思解释

n.

圆心角；

英英释义

Angle AOB forms a central angle of circle OA central angle is an angle whose vertex is the center of a circle, and whose sides pass through a pair of points on the circle, thereby subtending an arc between those two points whose angle is (by definition) equal to that of the central angle itself. It is also known as the arc segment\'s angular distance.

双语例句

用作名词(n.)A radian is the angle subtended by an arc of a circle whose length is just equal to the radius.一弧度就是长度刚好等于半径的一段圆弧所对的圆心角。