天气预报 > 教育 > 扇形统计图圆心角度数怎么求
扇形统计图圆心角度数怎么求
更新时间: 2021-04-23 15:44:07  

1、求出每部分占总数量的百分比,再用百分比乘360。

2、扇形所对圆心角的度数与百分比的关系是:圆心角的度数=百分比×360度。

3、360度×已知百分数=圆心角的度数。

4、扇形面积与其对应的圆心角的关系是:扇形面积越大,圆心角的度数越大;扇形面积越小,圆心角的度数越小。

关键词: 扇形 统计 圆心角 度数 怎么

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