名校
解题方法
1 . 如图,长方体
中,
,
与底面ABCD所成的角为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
.![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/f97947c7-6975-4907-8973-765e7764848d.png?resizew=138)
(1)求四棱锥
的体积;
(2)求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4957406b21df59fdf7fa184752287b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/f97947c7-6975-4907-8973-765e7764848d.png?resizew=138)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2e341788ce1be913bc47b3831c6baa.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
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2022-12-12更新
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491次组卷
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3卷引用:陕西省西安市铁一中学2022-2023学年高三上学期1月期末文科数学试题