点
是
所在平面外一点,若PA、PB、PC与
所在平面所成角相等,则点
在
平面的射影是
的______ 心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
22-23高一·全国·课后作业 查看更多[2]
沪教版(2020) 必修第三册 高效课堂 第十章 10.3直线与平面位置关系(3)(已下线)8.6.2 直线与平面垂直(分层作业)-【上好课】2022-2023学年高一数学同步备课系列(人教A版2019必修第二册)
更新时间:2023-02-06 08:56:43
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【知识点】 由线面角的大小求长度
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【推荐2】若
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