天气预报 > 其他 > 109度30分36秒等于多少度
109度30分36秒等于多少度
更新时间: 2020-11-05 00:00:00  

因为度、分、秒的进制是60,30分÷60=0.5度,36秒÷60÷60=0.01度,所以109度30分36秒等于109.51度。

角度,即两条相交直线中的任何一条与另一条相叠合时必须转动的量的量度,转动在这两条直线的所在平面上绕交点进行。角度是用以量度角的单位,一周角分为360等份,每份定义为1度(1°)。

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