天气预报15天查询> 其他> 直角三角形有几条高

直角三角形有几条高

更新时间: 2020-10-05 00:00:00     

三条;

从三角形一个顶点向它的对边作垂线,那么这个顶点和垂足间的线段叫做三角形的高线,简称为高。由于三角形有三条边,所以三角形有三条高。显然,直角三角形的两条直角边相当于高,斜线也可以做高。

关键词: 直角 三角形

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-2241985/ | 耗时:0.3417 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=2241985 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2241985 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2241985 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1067473,1102218,197603,1091731,1114476,1109915,1299312,1119103,1129763,1081869,1106438,1122152,2996984,1093951,1106902,1128237,1063783,1064111,1095159,1367415,1102742,848552,2708404,460765,1113249,2241985,2298367,1499417,1362375,1079131) ORDER BY field (ArticleID,1067473,1102218,197603,1091731,1114476,1109915,1299312,1119103,1129763,1081869,1106438,1122152,2996984,1093951,1106902,1128237,1063783,1064111,1095159,1367415,1102742,848552,2708404,460765,1113249,2241985,2298367,1499417,1362375,1079131)