解题方法
1 . 已知边长为
的正方体
,点
为
内一个动点,且满足
,则点
的轨迹长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7988923407b9abb78ef8ab45829678fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2215f8b25b12637f894767d032f0ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 如图,正三棱锥
和正三棱锥
的侧棱长均为
,
.若将正三棱锥
绕
旋转,使得点E,P分别旋转至点A,
处,且A,B,C,D四点共面,点A,C分别位于BD两侧,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7ed85b76fb4c5e9a9a60bff4337742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10c16d2d9d22c4b34ddd965e26aa0d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7ed85b76fb4c5e9a9a60bff4337742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/14/580e7d53-2396-4cef-9adc-cb10486b8bc1.png?resizew=135)
A.![]() | B.![]() |
C.多面体![]() ![]() | D.点P与点E旋转运动的轨迹长之比为![]() |
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3 . 已知正方体
的棱长为2,长为2的线段MN的一个端点M在棱
上运动,N在底面ABCD内(N可以在正方形ABCD边上)运动,线段MN中点的轨迹为Ω,Ω与平面ABCD、平面
和平面
围成的区域内有一个小球,球心为O,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
A.球O半径的最大值为![]() |
B.Ω被正方体![]() ![]() |
C.Ω的面积为![]() |
D.Ω与正方体的表面所围成的较小的几何体的体积为![]() |
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2卷引用:安徽省定远中学2023届高三下学期第二次模拟数学试卷
名校
4 . 已知正三棱锥
的六条棱长均为
是
及其内部的点构成的集合.设集合
,则
表示的区域的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ac4f8ee4059a61f5634be6fff31cf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1cbd7a639c38d7bf5fe602b4f5d90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 如图,已知平面
,
,
是直线
上的两点,
是平面
内的两点,且
,
是平面
上的一动点,且直线
与平面
所成角相等,则四棱锥
体积的最大值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/5300e5d5-5ab5-4a71-9a72-f41a171a0edd.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c29a7e8eea08197bf53164a560bee58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7990795f58ddd479630b8754962e035.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36716c6a0752d5e227c32ee6d35d1e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/5300e5d5-5ab5-4a71-9a72-f41a171a0edd.png?resizew=171)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 如图所示,圆柱
中,
是底面直径,点
是
上一点,
,点
是母线
上一点,点
是上底面的一动点,
,
,
,则( )
![](https://img.xkw.com/dksih/QBM/2022/5/6/2973695823781888/2975126406676480/STEM/60f4c1af-55b6-44b5-8a64-b16e8a2888ed.png?resizew=185)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839c6c6ece880f6c39b7415a73b8c875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613dedf2d90e58591b7ac4a250ac7b5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b4f1e7f062b8cb005e8dbaf8462db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd2d45694aaded7ff8b0ecaf48196ff.png)
![](https://img.xkw.com/dksih/QBM/2022/5/6/2973695823781888/2975126406676480/STEM/60f4c1af-55b6-44b5-8a64-b16e8a2888ed.png?resizew=185)
A.存在点![]() ![]() |
B.存在唯一的点![]() ![]() |
C.满足![]() ![]() ![]() |
D.当![]() ![]() ![]() |
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7 . 如图,三棱锥
的所有棱长均为1,
底面ABC,点M,N在直线SH上,且
,若动点P在底面ABC内,且
的面积为
,则动点P的轨迹长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6276d9f8e08c9ff42adb105e078da82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdee5f82c4f15256d80aadf70bb3d65d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b9f96b8ecc3cb000bb2f030809f225.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/23147c38-9ae5-4746-b932-d95220837833.png?resizew=185)
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解题方法
8 . 体积为
的四棱锥
的底面是边长为
的正方形,四棱锥
的外接球球心
到底面
的距离为
,则点
的轨迹长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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9 . 点
是正方体
的侧面
内的一个动点,若
与
的面积之比等于2,则点
的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557a1bc648125cc09cb63412bc13ea1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b54387f870ae37f7951b253665d64f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7fbd6b9f85c086ac95562fe45e8d969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357265c532428e886a643e8e653eec9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.圆的一部分 | B.椭圆的一部分 | C.双曲线的一部分 | D.抛物线的一部分 |
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4卷引用:安徽省合肥市2020届高三高考数学(文科)三模试题
10 . 已知正方体
的棱长为2,点M,N分别是棱BC,
的中点,则点
到平面AMN的距离是________ ;若动点P在正方形
(包括边界)内运动,且
平面AMN,则线段
的长度范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c49036a80d4ce30770ba36958838b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://img.xkw.com/dksih/QBM/2020/8/5/2521508241014784/2522179947134976/STEM/0c402d04-14c3-4b83-9fee-6edc07349823.png)
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4卷引用:安徽省六安市第一中学2020届高三下学期高考适应性考试数学(理)试题
安徽省六安市第一中学2020届高三下学期高考适应性考试数学(理)试题(已下线)第03讲 空间直线、平面的平行 (练)天津市芦台一中、静海一中、蓟州一中、杨村一中等七校2020-2021学年高一下学期期中联考数学试题(已下线)专题23 立体几何中平行的存在性问题-【重难点突破】2021-2022学年高一数学常考题专练(人教A版2019必修第二册)