名校
解题方法
1 . 已知矩形
的长为2,宽为1.(如图所示)
平面
,分别求
到AB和AD的距离.
(2)在矩形ABCD中,点M是AD的中点、点N是AB的三等分点(靠近A点).沿折痕MN将
翻折成
,使平面
平面
.又点G,H分别在线段NB,CD上,若沿折痕GH将四边形
向上翻折,使C与
重合,求线段NG的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce72fc01251a86f7335f7d0ef5d8e925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
(2)在矩形ABCD中,点M是AD的中点、点N是AB的三等分点(靠近A点).沿折痕MN将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e7040c2fd8a163d71e35805775feb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f37a5a875bdfc4f87b63773c435575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a4a65943afdb9e9d1d945185630d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
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3卷引用:上海市进才中学2023-2024学年高二上学期10月月考数学试题
上海市进才中学2023-2024学年高二上学期10月月考数学试题广东省深圳市深圳外国语学校2024届高三上学期第二次模拟测试数学试题(已下线)广东省深圳市深圳外国语学校2024届高三上学期第二次模拟测试数学试题变式题17-22
2 . 已知直线m,n,平面
,
,给出下列命题,其中正确的命题的个数是( )
①若
,
,且
,则
②若
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
③若
,
,且
,则
④若
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53cd751c44ad4d9ebd8e3243e751321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4ded3c4bc7a2212f2a0eb5f9753de5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a93a52c2b943e4c70ace99ed802d2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4ded3c4bc7a2212f2a0eb5f9753de5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe920cd78db25f5b4df37d066e57800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4ded3c4bc7a2212f2a0eb5f9753de5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a93a52c2b943e4c70ace99ed802d2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
A.1 | B.2 | C.3 | D.4 |
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3卷引用:上海市进才中学2023-2024学年高二上学期10月月考数学试题
上海市进才中学2023-2024学年高二上学期10月月考数学试题上海市青浦区2024届高三上学期期终学业质量调研数学试题(已下线)第一章 点线面位置关系 专题一 空间平行关系的判定与证明 微点5 平面与平面平行的判定与证明【基础版】
名校
3 . 已知
是单位正六棱柱(即所有的棱长都是1,如图所示),黑、白两个蚂蚁同时从点A出发沿棱向前爬行,每走完一条棱称为“走完一段”.黑蚂蚁爬行的路线是
,白蚂蚁爬行的路线是
.它们都遵循如下规则:所爬行的第
段与第i段所在的直线必须是异面直线(其中i是正整数).设黑、白两蚂蚁走完2023段后各停留在正六棱柱的某个顶点处,这时黑、白两蚂蚁的距离是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858be9a2f30a22cfdebeaa5bf2e45b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9507276311fe8d5c90e6a3cc6e4ff64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8497be89740ccbb39e7a00845cad1f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03bed55fdfdf5a819bbf7bdebcbbc3d0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/ee2c67c9-8422-44e4-af1d-cfec9ffff9e9.png?resizew=174)
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4 . 如图,正方形
所在平面外一点P满足
,
是边长为3的等边三角形,点M是
的重心,过点M作与平面
垂直的平面
,平面
与截面
交线段的长度为2,则平面
与正四棱锥
表面交线所围成的封闭图形的面积可能为______ (填序号).
①2;②
;③3;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8bc233a9902789a716fa0a31558dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
①2;②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/455dca02-6c86-4af3-9c79-c4bbd63e4c2f.png?resizew=166)
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解题方法
5 . 如果一条直线与一个平面垂直,那么称此直线与平面构成一个“正交线面对”.在正方体中,由两个顶点确定的直线与由顶点确定的平面构成的“正交线面对”的个数为______ .
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6 . 已知P为锐二面角
棱上一点,
,PQ与l成
角,与
成
角(如图),则二面角
的大小是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709c748f3c1db171f184fe0ca71a1c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/b71642be-f1d4-43ce-95fb-6fa72ec2714f.png?resizew=154)
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7 . 如图,某人沿山坡PQB的直行道AB向上行走,直行道AB与坡脚(直)线PQ成
角,山坡与地平面所成二面角
的大小为
.若此人沿直行道AB向上行走了200米,那么此时离地平面的高度为______ 米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa108106c22d5d2db396bcec7dda15e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/925d5378-2224-4f6f-bf7e-2900e5b14579.png?resizew=192)
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解题方法
8 . 如图,
在平面
内,
,PO是平面
的斜线,
,点Q是PO上一点,且
,则线段PQ在平面
上的射影长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf2219cb46b059337338480ada1cba2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c349e9605f47f5fa74d6aa22d424de6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/bfc30bd0-05be-4feb-ac92-63d9e7f7868f.png?resizew=161)
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9 . 已知圆锥的底面半径为
,母线长为2,过该圆锥的顶点作圆锥的截面,则截面面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
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10 . 正方体
的棱长为
,则
到平面
的距离为______ .
![](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/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d80ed37728f5933020ccb894541e857.png)
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