天气预报 > 其他 > 如何在圆内做正三角形
如何在圆内做正三角形
更新时间: 2020-07-01 00:00:00  

先用圆规作圆,取其原半径长,在圆周上进行六等分,取其间隔的三个点,这三个点就是要求作的圆内接三角形的三个顶点。连此三点,就是要求的三角形。

关键词: 如何 正三角形

如何在圆内做正三角形相关经验

天气预报

最新推荐

页面:/news/view-2105741/ | 耗时:0.8602 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=2105741 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2105741 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2105741 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(194650,1100859,1130874,1062130,2952460,374770,1070262,1117990,1126172,464281,1079952,1129833,1048712,528393,1122176,1127100,479808,1082954,1075823,157244,1123018,1131283,1101404,405627,1125023,1062078,1109637,587318,224061,1297897) ORDER BY field (ArticleID,194650,1100859,1130874,1062130,2952460,374770,1070262,1117990,1126172,464281,1079952,1129833,1048712,528393,1122176,1127100,479808,1082954,1075823,157244,1123018,1131283,1101404,405627,1125023,1062078,1109637,587318,224061,1297897)