名校
1 . 如图,在等腰梯形ABCD中,
.将△ACD沿着AC翻折,使得点D到点P,且
.下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d358d2e6ad3dcde7d50fc3ccae7eaf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbad7ad1465d1c4c177e3321e6ed12a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/14/239fde26-c3b0-45bf-9616-e0a827030992.png?resizew=295)
A.平面APC⊥平面ABC |
B.二面角![]() ![]() |
C.三棱锥![]() |
D.点C到平面APB的距离为![]() |
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5卷引用:广东省东莞市东莞市东华高级中学2023-2024学年高二上学期开学考试数学试题
名校
解题方法
2 . 如图,长方体ABCD-A1B1C1D1的底面ABCD是边长为2的正方形,AA1=4,点E为棱AA1的中点.
(1)求证:BE⊥平面EB1C1;
(2)求点A到平面CEB1的距离.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/4af58973-0032-4ab5-ae96-d9ee533f5555.png?resizew=138)
(1)求证:BE⊥平面EB1C1;
(2)求点A到平面CEB1的距离.
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2023-06-03更新
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3卷引用:甘肃省武威市凉州区2023-2024学年高二上学期开学考试数学试题
3 . 如图,在四棱锥
中,底面
是正方形,
底面
为
的中点,
为
内一动点(不与
三点重合).给出下列四个结论:
与
所成角的大小为
;②
;③
的最小值为
;④若
,则点
的轨迹所围成图形的面积是
.
其中所有正确结论的序号是__________ .
![](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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82119cdf2c6d23099171a823a7a2ac4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ce410e23643e80c9d205f8e86a1ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b69099d2b74ffbb1f365e1468bd8fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd22cf7915d8ae1e5f85a83c6e89e15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9e953a4a5f98c96bbe67cbaadf76d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66bf51786193eb8dfe053bdb8ac006a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8ae071199874d9d74a4919a58902f7.png)
其中所有正确结论的序号是
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7卷引用:贵州省铜仁第一中学2023-2024学年高二上学期8月摸底衔接质量检测(三)数学试题
贵州省铜仁第一中学2023-2024学年高二上学期8月摸底衔接质量检测(三)数学试题北京市大峪中学2023-2024学年高二上学期开学考试数学试题北京市昌平区2022-2023学年高一下学期期末质量抽测数学试题(已下线)模块四 专题6 暑期结束综合检测6(能力卷)(人教B)(已下线)第11章 简单几何体(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020必修第三册)(已下线)专题06 空间中点线面的位置关系6种常考题型归类(2) -期期末真题分类汇编(北京专用)【北京专用】专题15立体几何与空间向量(第四部分)-高一下学期名校期末好题汇编
名校
4 . 如图,在直三棱柱
中,
,
,
是等边三角形,点O为该三棱柱外接球的球心,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7e8dd831f4edc711c0f7d5f078f625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/17/2cbad379-9fa4-4e5c-b981-70f7532a539f.png?resizew=113)
A.![]() ![]() | B.异面直线![]() ![]() ![]() |
C.球O的表面积是![]() | D.点O到平面![]() ![]() |
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解题方法
5 . 如图,在棱长为a的正方体
中,点E为棱
的中点,则点A到平面
的距离为( )
![](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/914d46f7e72b55d2ff3d9bc38e02b31d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/2fea2832-12b1-473d-8f5d-470057f92c69.png?resizew=154)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-07-21更新
|
724次组卷
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5卷引用:山东省日照市2023-2024学年高二上学期8月校际联合考试数学试题
6 . 如图
,等腰梯形
中,
,
,
,
为
中点,
为
中点.将
沿
折起到
的位置,如图
.
(1)证明:
平面
;
(2)若平面
平面
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f526235f13fe56495391abb823a1be07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc9d52427f4ae96a6191ebd1368a5ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.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/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438bf2134641f9950932bd667188d63c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/11/28b497b1-b73d-4618-93de-171bc835613e.png?resizew=417)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/653078cf75cab77eee1417ad02d9b76d.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a832b538d0bd5a0051d485fae371a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b3351b2e5de2240185f415ffb26273.png)
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2023-08-10更新
|
650次组卷
|
7卷引用:浙江省宁波市海曙区2023届高三下学期2月开学考试数学试题
浙江省宁波市海曙区2023届高三下学期2月开学考试数学试题江西省南昌市八一中学2023届高考三模理科数学试题(已下线)考点9 垂直的判定与性质 2024届高考数学考点总动员河北省张家口市2019-2020学年高三11月阶段检测数学(文)试题2020届湖南省长沙市雅礼中学高三第六次月考数学(文)试题(已下线)第04讲 直线、平面垂直的判定与性质(练习)(已下线)专题8.11 立体几何初步全章十四大压轴题型归纳(拔尖篇)-举一反三系列
名校
解题方法
7 . 如图,已知正方体
的棱长为1,O为底面 ABCD的中心,
交平面
于点E,点 F为棱CD的中点,则( )
![](https://img.xkw.com/dksih/QBM/2023/7/14/3280757064794112/3286262009290752/STEM/3f75f620cc0b46d6a46c4e0c045c95b3.png?resizew=208)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://img.xkw.com/dksih/QBM/2023/7/14/3280757064794112/3286262009290752/STEM/3f75f620cc0b46d6a46c4e0c045c95b3.png?resizew=208)
A.![]() | B.异面直线 BD与![]() ![]() |
C.点![]() ![]() ![]() | D.过点![]() ![]() |
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4卷引用:云南省开远市第一中学校2023-2024学年高二上学期开学考试数学试题
2022·全国·模拟预测
名校
解题方法
8 . 已知圆锥PO的轴截面PAB是等腰直角三角形,
,M是圆锥侧面上一点,若点M到圆锥底面的距离为1,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
A.点M的轨迹是半径为1的圆 | B.存在点M,使得![]() |
C.三棱锥![]() ![]() | D.![]() ![]() |
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2022-12-05更新
|
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3卷引用:浙江省名校协作体2022-2023学年高三下学期开学联考适应性考试数学试题
浙江省名校协作体2022-2023学年高三下学期开学联考适应性考试数学试题(已下线)2023年普通高等学校招生全国统一考试数学领航卷(一)江西省吉安市峡江中学2022-2023学年高二上学期期末数学试题
9 . 如图,直三棱柱
的体积为4,D为
的中点,E为底边
上的动点,
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/c42dfa7d-2172-438d-b889-9b843183f291.png?resizew=161)
(1)求点
到平面
的距离;
(2)若
,平面
平面
,若平面
与平面
的夹角的余弦值为
,求异面直线
、
间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/c42dfa7d-2172-438d-b889-9b843183f291.png?resizew=161)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c309e58bf083bad13abd549720a63a22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf9628142422a4884bd59538da6d312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b081566c9070661cd83612424bc67d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
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解题方法
10 . 如图,在直三棱柱
中,
,
,E,F为线段
,
的中点.
![](https://img.xkw.com/dksih/QBM/2022/5/7/2974402805088256/2975174527918080/STEM/dcda6bed-e512-44c9-bae4-6210d0692ab5.png?resizew=156)
(1)证明:EF⊥平面
;
(2)若直线EA与平面ABC所成的角大小为
,求点C到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71807a35b3170fce28ee6edf4c00d083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://img.xkw.com/dksih/QBM/2022/5/7/2974402805088256/2975174527918080/STEM/dcda6bed-e512-44c9-bae4-6210d0692ab5.png?resizew=156)
(1)证明:EF⊥平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e53b212640dadf751ef7f65a78a209.png)
(2)若直线EA与平面ABC所成的角大小为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3ef97d64e58d311019b70fe5e2cc0d.png)
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2022-05-08更新
|
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2卷引用:广东省佛山市第四中学2023-2024学年高二上学期开学考试数学试题