名词
中文翻译：副角
同义词：
['subordinate angle', 'minor angle例句：1. The subangle of the triangle is 30 degrees.（三角形的副角是30度。）']
例句：
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1. The subangle of the triangle is 30 degrees.
三角形的副角是30度。
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2.The subangle of the circle is equal to the radius.
圆的副角等于半径。
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3.The subangle between two lines is the angle between them.
两条线之间的副角是它们之间的角。