名校
解题方法
1 . 如图,在直棱柱
中,底面四边形
为边长为
的菱形,
,E为AB的中点,F为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/fb86a6c9-cc94-40bc-a223-4b42e20d0919.png?resizew=154)
(1)证明:
平面
;
(2)若点P为线段
上的动点,求点P到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc633603ce426facfd47d2bca6a90dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/fb86a6c9-cc94-40bc-a223-4b42e20d0919.png?resizew=154)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
(2)若点P为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
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2022-11-04更新
|
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9卷引用:江西省赣州市教育发展联盟2023届高三上学期第9次联考(12月)数学(文)试题
名校
2 . 如图,正方体
的棱长为1,
,
,
分别为线段
,
,
上的动点(不含端点),则错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/b2dfa022-da72-4bd8-93b3-e35f313a831b.png?resizew=166)
![](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/895dc3dc3a6606ff487a4c4863e18509.png)
![](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/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/b2dfa022-da72-4bd8-93b3-e35f313a831b.png?resizew=166)
A.存在点![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.异面直线![]() ![]() ![]() |
您最近一年使用:0次
2022-12-28更新
|
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3卷引用:江西省上高二中2022-2023学年高二下学期2月月考数学试题
3 . 在边长为2的正方形
外作等边
(如图1),将
沿
折起到
的位置,使得
(如图2).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/1208711f-95cb-48d8-827c-085a0d6bc28f.jpg?resizew=364)
(1)求证:平面
平面
;
(2)若F,M分别为线段
的中点,求点P到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8c91e4c85a9da7f54b2237d870a50d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/1208711f-95cb-48d8-827c-085a0d6bc28f.jpg?resizew=364)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若F,M分别为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19935e386ac54c8257a4b9ea0bd9d7a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6114761b369162cda06f08e31c23fc9.png)
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2022-12-25更新
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452次组卷
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5卷引用:江西省赣州市九校2023届高三上学期12月质量检测数学(文)试题
江西省赣州市九校2023届高三上学期12月质量检测数学(文)试题河南省部分学校2022-2023学年高三12月大联考文科数学试题(已下线)江西省五市九校协作体2023届高三第一次联考文科数学试题变式题16-20(已下线)8.6.3平面与平面垂直(第1课时平面与平面垂直的判定定理)(精练)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)专题8.14 空间直线、平面的垂直(二)(重难点题型检测)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)
4 . 已知
是边长为
正三角形
的外心,沿
将该三角形折成直二面角
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de908dd52536dc51de6e71920c847d9.png)
A.直线![]() ![]() |
B.直线![]() ![]() ![]() |
C.平面![]() ![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次
2022-11-15更新
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2卷引用:江西省丰城市第九中学2023-2024学年高一下学期4月月考数学试题
名校
5 . 如图,正方体
的棱长为1,
,
,
分别为线段
,
,
上的动点(不含端点),则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/5f7865a7-e0be-4422-9fad-ef4b4d8a8b25.png?resizew=208)
![](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/895dc3dc3a6606ff487a4c4863e18509.png)
![](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/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/5f7865a7-e0be-4422-9fad-ef4b4d8a8b25.png?resizew=208)
A.异面直线![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.存在点![]() ![]() ![]() ![]() |
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2022-11-15更新
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4卷引用:江西省南昌市第二中学2022-2023学年高二上学期第二次月考数学试题
江西省南昌市第二中学2022-2023学年高二上学期第二次月考数学试题辽宁省沈阳市第二中学2022-2023学年高三上学期期中数学试题(已下线)数学(新高考Ⅱ卷B卷)(已下线)8.5.3平面与平面平行(精练)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
名校
解题方法
6 . 如图,在直角梯形ABCD中,AB∥CD,AB⊥AD,且AB=AD=
=1.现以AD为一边向梯形外作正方形ADEF,然后沿边AD将正方形ADEF折叠,使ED⊥DC,M为ED的中点,如图2.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/5442594c-e0b5-4c3a-8f91-2fe81292cb48.png?resizew=414)
(1)求证:BC⊥平面BDE;
(2)求点D到平面BEC的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b840be5852709e18ea985954545e78d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/5442594c-e0b5-4c3a-8f91-2fe81292cb48.png?resizew=414)
(1)求证:BC⊥平面BDE;
(2)求点D到平面BEC的距离.
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2022-11-12更新
|
451次组卷
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3卷引用:江西省临川第一中学2022-2023学年高二上学期11月质量监测数学试题
江西省临川第一中学2022-2023学年高二上学期11月质量监测数学试题广东省肇庆市四会中学、广信中学2022-2023学年高二上学期第一次教学质量联考数学试题(已下线)8.6.2直线与平面垂直的判定定理(第1课时)(精讲)(1)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
名校
解题方法
7 . 如图,四面体
中,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/839f1a83-0737-49b4-bb9a-d8ad2a99aad9.png?resizew=158)
(1)当
在线段
上移动时,判断
与
是否垂直,并说明理由;
(2)若
,当
是线段
的中点时,求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14962080b72231f25261a5c5394096ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/839f1a83-0737-49b4-bb9a-d8ad2a99aad9.png?resizew=158)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dc675917c2c467d3d612d4ddc08d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
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2022-11-02更新
|
633次组卷
|
4卷引用:江西省上高二中2023届高三上学期第四次月考数学(文)试题
江西省上高二中2023届高三上学期第四次月考数学(文)试题河南省洛平许济2022-2023学年高三上学期第一次质量检测文科数学试题四川省乐山沫若中学2022-2023学年高二上学期第二次月考(期中考试)数学(理)试题(已下线)8.6.2直线与平面垂直的性质定理(第2课时)(精讲)(2)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
名校
解题方法
8 . 如图,正方体
的棱长为
,点
、
为棱
、
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/f1b79e7e-0d6d-4d98-954e-71029feb25fe.png?resizew=175)
(1)求证:
∥平面
;
(2)求点D到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6e8da26cf6a4f1a0556619328c2d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e737bc35da650eda3825d29799b5f86f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/f1b79e7e-0d6d-4d98-954e-71029feb25fe.png?resizew=175)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f476ecdb36e7d45a4493b7f4e216854.png)
(2)求点D到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
您最近一年使用:0次
9 . 如图,在三棱锥
中,
是边长为2的正三角形,
,
,
为
上靠近
的三等分点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/b0a8850a-03e0-4942-b331-2390bc331c10.png?resizew=235)
(1)若
,求证:平面
平面
;
(2)当三棱锥
的体积最大时,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ca0f2b2b40440365fcce22ac32c0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a0681a8b971b80760a26a66defa6cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/b0a8850a-03e0-4942-b331-2390bc331c10.png?resizew=235)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3755b2bcf7516eedb26a27ad73657216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b60870baa5e3fbc33a749aa5f0a94be.png)
(2)当三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
10 . 如图,在四棱锥
,四边形
正方形,
平面
.
,
,点
是
的中点.
平面
;
(2)求点
到平面
的距离.
![](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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967f74b8993c61634ceed95edca05ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa69a2247ad4d5231aa361349b12f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
您最近一年使用:0次
2022-07-20更新
|
1864次组卷
|
7卷引用:江西省南昌市第十九中学2023届高三上学期第四次月考(11月)文科数学试题
江西省南昌市第十九中学2023届高三上学期第四次月考(11月)文科数学试题广东省佛山市南海区狮山石门高级中学2023-2024学年高二上学期10月月考数学试题云南省保山市2021-2022学年高一下学期期末质量监测数学试题(已下线)7.4 空间距离(精练)(已下线)第09讲 立体几何与空间向量 章节总结 (讲)-2(已下线)专题5 综合闯关(基础版)山东省日照市2022-2023学年高一下学期期末校际联合考试数学试题