解题方法
1 . 如图所示,在正四棱柱
中,
是
的中点,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/52ecc4bc-cc89-41bb-8a07-50cc943ad228.png?resizew=117)
(1)求
到平面
的距离;
(2)在棱
上是否存在一点
,使二面角
为
?若存在,建立适当坐标系,写出
点坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287d3e6e2428f1be7064d1c895c54cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/52ecc4bc-cc89-41bb-8a07-50cc943ad228.png?resizew=117)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb304d905125170bebfada27e7ed8960.png)
(2)在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2a24c438338831ff1089361185f375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
解题方法
2 . 如图,在四棱柱
中,四棱锥
是正四棱锥,
.
(1)求
与平面
所成角的正弦值;
(2)若四棱柱
的体积为16,点
在棱
上,且
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec35c2182c5e0c80b766adceb058e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e31742a889521e2f772eb4bb41373d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/57f79e2c-2b73-404e-aca1-4b0ba7564229.png?resizew=164)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)若四棱柱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8667522c22932036dea088995694614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a98287a302228ece1fa53c5c66c590f.png)
您最近一年使用:0次
2023-10-12更新
|
419次组卷
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4卷引用:广东省清远市名校2023-2024学年高二上学期期中调研联考数学试题
广东省清远市名校2023-2024学年高二上学期期中调研联考数学试题安徽省县中联盟2023-2024学年高二上学期10月联考数学试题(已下线)黄金卷01(已下线)第七章 应用空间向量解立体几何问题拓展 专题一 立体几何非常规建系问题 微点1 立体几何非常规建系问题(一)【培优版】
解题方法
3 . 如图,在四棱锥
中,底面ABCD为矩形,
平面PAD,E是AD的中点,
为等腰直角三角形,
,
=![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/e85e887e-1ce5-4451-968b-c0b917c2e68b.png?resizew=159)
(1)求证:
;
(2)求点A到平面PBE的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1676715fa1188b716cc945be7b94e13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af62a8c94bdc27efa2ec03e58d9400ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/e85e887e-1ce5-4451-968b-c0b917c2e68b.png?resizew=159)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d31767eb718a0327eca546fe6a189cb.png)
(2)求点A到平面PBE的距离.
您最近一年使用:0次