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单词 central angle
释义

central angle


central angle

n. An angle having its vertex at the center of a circle.

central angle

n (Mathematics) an angle whose vertex is at the centre of a circle

cen′tral an′gle


n. an angle formed at the center of a circle by two radii. [1900–05]

cen·tral angle

(sĕn′trəl) An angle formed by two rays from the center of a circle, with the center forming the vertex.

Central Angle


central angle

[′sen·trəl ′aŋ·gəl] (mathematics) In a circle, an angle whose sides are radii of the circle.

Central Angle

 

an angle formed by two radii of a circle. In Figure 1 angle AOB is a central angle. The number of degrees in

Figure 1

a central angle is equal to the number of degrees in the intercepted arc.

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更新时间:2024/11/11 16:57:00