已知∠ACB=90°,P为平面ABC外一点,PC=4,点P到∠ACB两边AC,BC的距离均为
,那么点P到平面ABC的距离为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
21-22高一下·山东聊城·阶段练习 查看更多[4]
山东省聊城市聊城第一中学2021-2022学年高一下学期5月质量检测数学试题(已下线)思想04 运用转化与化归的思想方法解题(精讲精练)-1(已下线)重难点突破02 利用传统方法求线线角、线面角、二面角与距离(四大题型)(已下线)第13讲 8.6.2直线与平面垂直的性质定理 (第2课时)-【帮课堂】(人教A版2019必修第二册)
更新时间:2022-12-16 15:39:45
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【推荐1】如图,四边形
中,
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沿对角线
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⊥平面
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【推荐2】我们知道,在平面几何中,已知
三边边长分别为
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,在
内一点到三条边的距离相等设为
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到四个面的距离相等,则此距离等于___________
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【推荐1】在如图所示的长方体
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①直线
与直线
平行;
②直线
与平面
相交;
③直线
与平面
垂直;
④点
与点
到平面
的距离相等.
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①直线
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②直线
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③直线
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④点
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【推荐2】正方体
的棱长为
,
,
,
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,
,
的中点,给出下列四
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①上底边
的中点在平面
内
②直线
与平面
不平行
③平面
截正方体所得的截面面积为
④点
与点
到平面
的距离相等.
错误的命题是________ .
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个命题:
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①上底边
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②直线
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③平面
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④点
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错误的命题是
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【推荐1】长方体中
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【推荐2】在
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