解题方法
1 . 在棱长为4的正方体
中,
为
的中点,点P在正方体各棱及表面上运动且满足
,则点P轨迹围成的图形的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af6f26487f2b6318d8c5e62cb3fa62e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-02-21更新
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4卷引用:新疆维吾尔自治区乌鲁木齐市第三十一中学2023届高三下学期4月月考文科数学试题
新疆维吾尔自治区乌鲁木齐市第三十一中学2023届高三下学期4月月考文科数学试题(已下线)专题02 空间动点轨迹8种题型归类-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)(已下线)考点14 立体几何中的动态问题 2024届高考数学考点总动员【讲】广东省广州市南沙区2021-2022学年高二上学期期末数学试题
名校
解题方法
2 . 如图,在四棱锥
中,
平面
,
∥
,
,
,
分别是棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/93609158-a543-4e16-a1e5-f81b3d3c917b.png?resizew=225)
(1)求证:
∥平面
.
(2)求证:平面
⊥平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3089285ebb92a2cf4f4e52ad59e173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16dd8f6cb6a8aadd39ca731febe0ae2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/93609158-a543-4e16-a1e5-f81b3d3c917b.png?resizew=225)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212a67f115d1cbe69f100b489babe5f8.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212a67f115d1cbe69f100b489babe5f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
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4卷引用:新疆乌鲁木齐市第五中学2024届高三上学期10月月考数学试题
名校
解题方法
3 . (1)在如图所示的正方体中,M,N分别为棱
和
的中点,求异面直线
和
所成的角的大小.
![](https://img.xkw.com/dksih/QBM/2021/12/15/2873154521276416/2873301331566592/STEM/95a89e6a98514a07be1371bb2357e73a.png?resizew=228)
(2)如图,在四棱锥
中,底面是边长为a的正方形,侧棱
,求二面角
的平面角的大小.
![](https://img.xkw.com/dksih/QBM/2021/12/15/2873154521276416/2873301331566592/STEM/c2bcbee9014845fd8cd6785d192af202.png?resizew=211)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/2021/12/15/2873154521276416/2873301331566592/STEM/95a89e6a98514a07be1371bb2357e73a.png?resizew=228)
(2)如图,在四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9387a4138ea2a094e37f86cc889a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715cc9ea5e7d80930284ffb117142770.png)
![](https://img.xkw.com/dksih/QBM/2021/12/15/2873154521276416/2873301331566592/STEM/c2bcbee9014845fd8cd6785d192af202.png?resizew=211)
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2卷引用:新疆维吾尔自治区乌鲁木齐市2022-2023学年高一下学期7月期末数学试题
名校
4 . 如图,在三棱锥
中,
,O为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/3af3133e-ee28-491f-a451-725989ca8d83.png?resizew=188)
(1)证明:直线
平面
;
(2)若点M在棱
上,
,且
,求直线
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30aee705f8da32a65fbea3925b054a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/3af3133e-ee28-491f-a451-725989ca8d83.png?resizew=188)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)若点M在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65bb0407b1f1d74d6696be742d0aa05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c745df4f226027778d5fe45b6501b822.png)
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2021-11-23更新
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4卷引用:新疆乌鲁木齐市第四十中学2022-2023学年高二下学期开学考试数学试题
5 . 在如图所示的五面体中,已知矩形
所在的平面与半圆弧
所在的平面垂直,
,
是半圆弧上异于
,
的点,
,
,直线
与
所成角的余弦值为
.
![](https://img.xkw.com/dksih/QBM/2021/11/9/2847657649127424/2847696062365696/STEM/4d0726a5-e882-4dda-8fc4-a9cbc3c07e45.png?resizew=259)
(1)证明:平面
平面
;
(2)求五面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bb3820bab977db734f4335e4fde720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd8a97f37156cec6592795da3941f87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526908dfb46cf151b8ab1492a9d52047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821309f088a175c00dc0f4828334503d.png)
![](https://img.xkw.com/dksih/QBM/2021/11/9/2847657649127424/2847696062365696/STEM/4d0726a5-e882-4dda-8fc4-a9cbc3c07e45.png?resizew=259)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d28c625d7ac6878957facc8274d459c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500df0e782bb081e608f4bc1d576afcf.png)
(2)求五面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
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3卷引用:新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期9月月考数学(文)试题
名校
解题方法
6 . 正方体
中,点
,
分别为棱
,
上的点(不包含端点),设二面角
的平面角为
,若
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7be1faf8713ce4d71f82f086ca4712c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e2a1d1eed1475ea1cd49697d6732e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50eca5606f0f8db8ca9a5016f923d45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-10-20更新
|
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5卷引用:新疆乌鲁木齐市第十二中学2023届高三下学期2月月考数学(文)试题
新疆乌鲁木齐市第十二中学2023届高三下学期2月月考数学(文)试题(已下线)第04讲 空间直线、平面的垂直 (练)江苏省苏州市第十中学2021-2022学年高三上学期10月阶段性检测数学试题(已下线)考点34 二面角【理】-备战2022年高考数学典型试题解读与变式(已下线)专题06 空间向量与立体几何(突破训练)-备战2022年高考数学二轮复习重难考点专项突破训练(全国通用)
7 . 棱长为1的正方体ABCD﹣A1B1C1D1中,P,Q分别为C1D1,BC的中点,现有下列结论:①PQ∥BD1;②PQ∥平面BB1D1D;③PQ⊥平面AB1C;④四面体D1﹣PQB的体积等于
.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726625096425472/2831394144083968/STEM/5319d3b8-4461-40da-99ca-d3c650910ee8.png?resizew=223)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fffe70910079ad65b954b6640562cfa.png)
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726625096425472/2831394144083968/STEM/5319d3b8-4461-40da-99ca-d3c650910ee8.png?resizew=223)
A.①③ | B.②③ | C.②④ | D.③④ |
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2021-10-17更新
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8卷引用:新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期8月月考数学(理)试题
新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期8月月考数学(理)试题2020届安徽省安庆市高三第二次模拟理科数学试题(已下线)第33讲 空间中的平行关系-2021年新高考数学一轮专题复习(新高考专版)(已下线)专题13.2 本图形位置关系(重点练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)四川省乐山市十校2021-2022学年高二上学期期中考试数学(理)试题(已下线)2022年全国高考乙卷数学(理)试题变式题21-23题(已下线)2022年全国高考乙卷数学(理)试题变式题5-8题(已下线)第11讲空间直线、平面的垂直(核心考点讲与练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)(原卷版)
名校
8 . 已知正方形
与正方形
所成二面角的平面角的大小为
,
是正方形
所在平面内的一条动直线,则直线
与
所成角的正切值的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b312dab930cbbb9a4bb1a99f044dab73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b312dab930cbbb9a4bb1a99f044dab73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
A.![]() | B.![]() | C.1 | D.![]() |
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2021-09-16更新
|
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2卷引用:新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期8月月考数学(理)试题
9 . 如图①,圆O的直径AB=2,圆上两点C,D在直线AB的两侧,且∠CAB=45°;∠DAB=60°,沿直线AB将半圆ACB折起,使两个半圆所在的平面互相垂直(如图②).
![](https://img.xkw.com/dksih/QBM/2021/5/6/2715351937728512/2799687618404352/STEM/b8b5638b-dd85-479d-a875-cc9dd2af42bf.png?resizew=498)
(1)求三棱锥O-BCD的体积;
(2)求直线CD与平面ABC所成角的正切值.
![](https://img.xkw.com/dksih/QBM/2021/5/6/2715351937728512/2799687618404352/STEM/b8b5638b-dd85-479d-a875-cc9dd2af42bf.png?resizew=498)
(1)求三棱锥O-BCD的体积;
(2)求直线CD与平面ABC所成角的正切值.
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2021-09-02更新
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2卷引用:新疆维吾尔自治区乌鲁木齐市第四十中学2023届高三下学期4月月考文科数学试题
10 . 如图,在水平放置的四棱锥
中,
平面
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/4/28/2709693311049728/2798224034095104/STEM/8d64896f-9f13-4a2b-868b-ea61b5d2bc2b.png?resizew=217)
(1)
为线段
上动点,试确定点
的位置,使
并证明;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc655b4d76a5b4d74271082ced237657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e04a28a7f47d499eaf7451d5a6c3872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d54cbbf601f4583659771eb534997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8372da7e78999d2016ce485fba43ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf410aab32ba002b2c4e7343e7efd4c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d81ddfbd5549f312ade47cb7f740059.png)
![](https://img.xkw.com/dksih/QBM/2021/4/28/2709693311049728/2798224034095104/STEM/8d64896f-9f13-4a2b-868b-ea61b5d2bc2b.png?resizew=217)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dee2d6f5c8afb4081176d398a8f0469.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c3762eb09409441a1d1d7c0ccbbe60.png)
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2021-08-31更新
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