如图,在多面体
中,
,且
,
,F在
上,要使
平面
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/16/b6f91a63-fcec-4a56-8f7a-9f9afa9f9312.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86f20a1987018d1bce5dc76dc602326.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675089c32fabb15b8a614312be2d141f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8197bf06d017950c85c3ba6a291c095e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065f7ff90e26ff382aa7b709955ad1b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80df7738deea20c3b835f1496910e2d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/16/b6f91a63-fcec-4a56-8f7a-9f9afa9f9312.png?resizew=145)
A.3 | B.2 | C.1 | D.![]() |
更新时间:2022-08-15 14:58:49
|
【知识点】 由线面平行的性质判断线段比例或点所在的位置
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,已知在三棱柱
中,E是BC的中点,D是棱
上的动点,且
,若
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/e27b09c3-9c75-43d1-8e48-1a77717cb9e4.png?resizew=147)
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A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐2】在正方体
中,M是
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a935b7d21a103a264b6e96ecf82dbe4a.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次