名校
解题方法
1 . 已知三棱锥
中,平面
平面
,
.
(1)若
,求
与平面
所成角的正切值;
(2)当二面角
最小时,求三棱锥
体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ba2b2354c1427e9f0f5cb8df4114b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a916d31a199e250556fb7478d9f57f7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/01fc211c-a4f0-49e4-b260-c90e7e686a16.png?resizew=191)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be86349e06431647f8e359d9bd07700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)当二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d294d69caac577339f11f477b2047e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
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名校
解题方法
2 . 四棱锥
的底面为正方形,
与底面垂直,
,动点
在线段
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fdb57f6e0df439872a99e50bcee2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/5f848335-19d2-4e67-9524-fd0f0846b47e.png?resizew=125)
A.存在点![]() ![]() |
B.![]() |
C.![]() ![]() ![]() |
D.三棱锥![]() ![]() ![]() |
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4卷引用:重庆市巴蜀中学校2023-2024学年高二上学期10月月考数学试题
名校
解题方法
3 . 如图,在直三棱柱
中,
是直角三角形,且
为
的中点,点
是棱
上的动点,点
是线段
上的动点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a01745cfeae5f0b817c2d1faff261c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/9/0b092381-dda6-4033-88dc-2a5cf4300fa6.png?resizew=115)
A.异面直线![]() ![]() ![]() |
B.三棱柱![]() ![]() |
C.当点![]() ![]() ![]() ![]() |
D.![]() |
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3卷引用:重庆市黔江中学校2023-2024学年高二上学期11月考试数学试题
名校
解题方法
4 . 已知圆锥的底面半径为1,侧面积为
,则此圆锥的体积是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
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3卷引用:重庆市巴蜀中学校2023-2024学年高二上学期10月月考数学试题
5 . 如图,在四棱锥
中,底面
是边长为2的正方形,
为等边三角形,平面
平面
,点
在线段
上,
交于点
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3c032441543354c154ee67d744abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/27/3ab3d745-5cc7-420f-a695-b65a6338de02.png?resizew=173)
A.若![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.平面![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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2卷引用:重庆市杨家坪中学2023-2024学年高二上学期九月测试数学试题
6 . 已知正四棱柱
的底面边长为2,侧棱长为4,E为
的中点,点
与点
在同一平面内,则点
到点
的距离可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2fb188915d2e3d7bfd633fa18221b07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/26/23b8dbd3-cf4e-40f2-92f2-264748fccb8c.png?resizew=133)
A.2 | B.3 | C.4 | D.5 |
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4卷引用:重庆市杨家坪中学2023-2024学年高二上学期九月测试数学试题
重庆市杨家坪中学2023-2024学年高二上学期九月测试数学试题贵州省黄平县且兰高级中学2023-2024学年高二上学期第一次月考数学试题四川省自贡市第一中学校2023-2024学年高二上学期10月月考数学试题(已下线)第二章 立体几何中的计算 专题二 空间距离 微点1 两点间的距离、点到直线的距离【基础版】
名校
解题方法
7 . 如图,四棱锥
的底面
为矩形,
.
(1)求四棱锥
的体积;
(2)设
,直线
与平面
所成角为
,是否存在满足条件的
点使得
?若存在,求
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56e4b0410d500e428be804a6fe733229.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/27/cf29d37d-1295-4a95-9f84-afd5fa13ed9a.png?resizew=150)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0257e0729d5493ccdd2dc63797bcd5c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76710e600f6380bcc50e730c80bae5f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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名校
解题方法
8 . 如图,在棱长为1的正方体
中,点
分别在线段
和
上.给出下列四个结论中所有正确结论的个数有( )个
①
的最小值为1
②四面体
的体积为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
③存在无数条直线
与
垂直
④点
为所在边中点时,四面体
的外接球半径为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/15/c7b0224a-dbc8-41fb-865b-058fdbd9264f.png?resizew=155)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
②四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb1d7bd70e898d08f78de751294df1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
③存在无数条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
④点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb1d7bd70e898d08f78de751294df1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
A.1 | B.2 | C.3 | D.4 |
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4卷引用:重庆市石柱回龙中学校2023-2024学年高二上学期9月质量检测数学试题
9 . 已知三棱锥
中,
,三棱锥
的体积为
,则三棱锥的外接球的表面积为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4321ccbb7b81d5012d11e3da6c08109d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
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10 . 如图,正方体
的棱长为
,E是棱
上的动点(不包含端点),则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/13/a3f63d9d-ae3c-48e4-ba7d-9f9525a51b05.png?resizew=167)
A.若E为![]() ![]() ![]() |
B.三棱锥![]() |
C.直线AC与直线![]() |
D.直线![]() ![]() ![]() |
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