天气预报 > 教育 > 多边形的外角和
多边形的外角和
更新时间: 2021-01-06 10:45:53  

1、多边形的外角和是360度。

2、证明过程如下:设多边形的边数为n,则其内角和=(n-2)*180°,因为n边形有n个顶点,每个顶点的一个外角和相邻的内角互补,等于180°,所以n边形的外角和等于n*180°-(n-2)*180°等于360°,即n边形的外角和等于360度。

关键词: 多边形 外角

多边形的外角和相关经验

天气预报

最新推荐

页面:/news/view-1167246/ | 耗时:0.2213 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1167246 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1167246 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1167246 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3301423,1190184,1157646,772115,405142,438632,783091,1325525,1863982,412270,827989,1112554,3439179,1105303,2552224,774479,1105021,2536394,1117241,1113135,609927,461399,1175738,2460276,480594,1317040,436304,588692,488501,511433) ORDER BY field (ArticleID,3301423,1190184,1157646,772115,405142,438632,783091,1325525,1863982,412270,827989,1112554,3439179,1105303,2552224,774479,1105021,2536394,1117241,1113135,609927,461399,1175738,2460276,480594,1317040,436304,588692,488501,511433)