名校
解题方法
1 . 如图,在斜四棱柱
中,底面
是边长为1的正方形,
,记
.
![](https://img.xkw.com/dksih/QBM/2023/10/10/3342973715734528/3344512309739520/STEM/07d74803f6384d7c97e7de6c3528746d.png?resizew=179)
(1)证明:
;
(2)求侧棱
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e42d2046a0e800a6bf082172027612e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dfb9769a14ebf5cbc5fa0c06ce96435.png)
![](https://img.xkw.com/dksih/QBM/2023/10/10/3342973715734528/3344512309739520/STEM/07d74803f6384d7c97e7de6c3528746d.png?resizew=179)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa142bb96af98b846997e681609739f.png)
(2)求侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
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2023-10-12更新
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5卷引用:山西省运城市稷山县稷山中学2023-2024学年高二上学期11月月考数学试题