如图,在四棱锥
中,
,
,
,
,
,
.E为PD的中点.
平面PAB;
(2)再从条件①,条件②这两个条件中选择一个作为已知,求:点D到平面PAB的距离.
条件①:四棱锥
;
条件②:直线PB与平面ABCD所成的角正弦值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ce152ae4cea885a04e753b0d7378b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a20ea69475dcf57a5ff18c13eceaaa.png)
(2)再从条件①,条件②这两个条件中选择一个作为已知,求:点D到平面PAB的距离.
条件①:四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d8b0b72ee723166f49908d54a22c27.png)
条件②:直线PB与平面ABCD所成的角正弦值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
2023·辽宁葫芦岛·一模 查看更多[2]
更新时间:2023-03-24 10:30:53
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图,在四棱柱
中,
,
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/05345db4-01cc-4604-84a9-4a9e4e230aac.png?resizew=231)
(I)求证:
;
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;
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(I)求证:
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(II)求证:
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(III)若
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您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
解题方法
【推荐2】如图,在多面体
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解答题-作图题
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适中
(0.65)
名校
解题方法
【推荐1】如图为一块直四棱柱木料,其底面
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,
.
![](https://img.xkw.com/dksih/QBM/2022/1/18/2897002878722048/2926845450665984/STEM/e965b444-13ae-43bd-b609-5f5bac543f48.png?resizew=156)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8745717601cd14b46c2298919b41b502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f9660760804ff01bbc9319b7342191.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】如图,直三棱柱
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;
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(2)若
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您最近一年使用:0次