1 . 如图所示的四棱锥
中,
平面
,底面
为直角梯形,
,点E为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/10/fa60c2a7-5dad-442e-908e-bafa7eff8164.png?resizew=187)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
平面
;
(2)求点A到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a062a75a2b6c303b216e9e5fd12356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/10/fa60c2a7-5dad-442e-908e-bafa7eff8164.png?resizew=187)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)求点A到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
解题方法
2 . 如图,△ABC内接于圆O,AB为圆O的直径,AB=5,BC=3,CD⊥平面ABC,E为AD的中点,且异面直线BE与AC所成角为60°,则点A到平面BCE的距离为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/90c5e31a-032b-43d9-841b-69342324a640.png?resizew=217)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/90c5e31a-032b-43d9-841b-69342324a640.png?resizew=217)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 如图,在四棱锥
中,四边形
是直角梯形,
,
,
,
,
,
是棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/8fbab1c9-d30a-4011-a7e3-613c775fd7ae.png?resizew=204)
(1)证明:
平面
;
(2)若
是棱
的中点,
,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/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771ed500918f3f22a63c2f6fcf03fe5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11ec89c13d5f80e5124b84829dfe180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03c2639a3b3f1f9590080b38ab21374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/8fbab1c9-d30a-4011-a7e3-613c775fd7ae.png?resizew=204)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
您最近一年使用:0次
2023-02-19更新
|
707次组卷
|
3卷引用:江西省5市重点中学2023届高三下学期阶段性联考数学(文)试题
江西省5市重点中学2023届高三下学期阶段性联考数学(文)试题内蒙古2023届高三仿真模拟考试文科数学试题(已下线)专题8.15 空间中线面的位置关系大题专项训练(30道)-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 . 如图,直四棱柱
中,底面
为菱形,P为
的中点,M为
的中点,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/6/81216b32-a1dc-419e-8c5c-94c4915506b4.png?resizew=187)
(1)求证:
平面
;
(2)若
,求M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/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/6/81216b32-a1dc-419e-8c5c-94c4915506b4.png?resizew=187)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014973e890e8f37de1bf8a050475d4fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009d2e3f3738a95445be95445c06ee36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
您最近一年使用:0次
2023-02-06更新
|
950次组卷
|
3卷引用:江西省重点中学协作体2023届高三下学期第一次联考数学(文)试题
江西省重点中学协作体2023届高三下学期第一次联考数学(文)试题(已下线)专题8.17 立体几何初步全章综合测试卷(基础篇)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)黑龙江省哈尔滨市第一中学校2022-2023学年高一下学期期中数学试题
5 . 如图所示,在四棱锥
中,
,
为棱
的中点,
,
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/4ed0bc12-a7e0-4872-9597-6543cb008f7e.png?resizew=175)
(1)求证:
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d730ae4307db56b47849c3a19dedfb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d31b90f35782e10643d38e2bda4958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab6c0c86a76630a10bdc005079c0f20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/4ed0bc12-a7e0-4872-9597-6543cb008f7e.png?resizew=175)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6deecf9ccb7b7879455050633219e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d923a338dd2d2e29336b42574d38448.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef796b46e68fe77b117ff0483d2370c.png)
您最近一年使用:0次
2023-01-18更新
|
2797次组卷
|
7卷引用:江西省赣州市第十六中学2023届高三下学期第一次月考数学(文)试题
江西省赣州市第十六中学2023届高三下学期第一次月考数学(文)试题河南省郑州市等5地+舞阳县第一高级中学等2校2022-2023学年高三上学期1月期末联考文科数学试题山东省泰安市泰山区山东省泰安第一中学2022-2023学年高一下学期6月月考数学试题第8章 立体几何初步 章末测试(基础)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)第八章:立体几何初步 重点题型复习(2)(已下线)第13章:立体几何初步 重点题型复习-【题型分类归纳】(已下线)第07讲 立体几何大题(11个必刷考点)-《考点·题型·密卷》
名校
解题方法
6 . 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)
您最近一年使用:0次
2022-11-04更新
|
1458次组卷
|
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
7 . 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)
您最近一年使用:0次
2022-12-25更新
|
450次组卷
|
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)
22-23高三上·江西·阶段练习
名校
解题方法
8 . 已知正四面体
,则在平面
内到平面
、平面
、平面
的距离相等的点有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
A.1个 | B.4个 | C.7个 | D.无数个 |
您最近一年使用:0次
解题方法
9 . 如图,在四棱锥
中,
平面
,
,
,
,
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/3ca50c8b-160f-4ed7-87ea-a3d1e1e115d8.png?resizew=195)
(1)求点
,
到平面
的距离之和;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef796b46e68fe77b117ff0483d2370c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f062d753bff791e0e8e1ec541ebffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4eb1b11eb4968b3dc1ea99c01c0c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb79f69e0f556c3fccc7dc68935e462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/3ca50c8b-160f-4ed7-87ea-a3d1e1e115d8.png?resizew=195)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d9d486b7f91ba933210dd013a7f2c.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa7077b64e5d67e5a43d7661e260136.png)
您最近一年使用:0次
解题方法
10 . 如图,在正三棱台
中,
,
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/d7ebd0d5-af91-4ad5-999e-299201f78515.png?resizew=186)
(1)求证:棱台过D,
,
的截面为正方形;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea38e4508602009b2b2f2665d6ddac0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/d7ebd0d5-af91-4ad5-999e-299201f78515.png?resizew=186)
(1)求证:棱台过D,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee3d1518e197f7f25c341da6b1e3483.png)
您最近一年使用:0次