天气预报 > 教育 > 重心是什么的交点
重心是什么的交点
更新时间: 2021-03-13 06:56:02  

1、三角形重心是三角形三边每一边的三条中线的交点。

2、三角形有重心、外心、垂心、内心、旁心等五个心,它们都是三角形的重要相关点。重心是三条中线的交点,垂心是三条高的交点,外心是三角形外接圆的圆心,即三条垂直平分线的交点,内心是三角形内切圆的圆心,即三条角平分线的交点。

关键词: 重心 什么 交点

重心是什么的交点相关经验

天气预报

最新推荐

页面:/news/view-1586617/ | 耗时:0.3635 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=1586617 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1586617 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1586617 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1085200,435192,1108534,1106272,1304557,375146,462174,1105207,1093358,514473,394214,1093535,1117401,381845,1099323,441451,530945,509047,1105725,360642,465488,1094307,1087747,514274,362852,463981,473840,1111804,374577,524411) ORDER BY field (ArticleID,1085200,435192,1108534,1106272,1304557,375146,462174,1105207,1093358,514473,394214,1093535,1117401,381845,1099323,441451,530945,509047,1105725,360642,465488,1094307,1087747,514274,362852,463981,473840,1111804,374577,524411)