1 . 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
|
452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)
名校
2 . 如图,在四棱锥中
,
平面
,
,
,且
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
;
(2)在线段
上,是否存在一点
,使得二面角
的大小为
,如果存在,请说明
点的位置,如果不存在,请说明理由.
![](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/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2478a116f8ff83c8477094e97c4211cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d768ffd5bf75080e8ff5ce6b472c0cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafa8c14100a4f847b41b9148954116c.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698335f4880c7a298f4898c83b6562bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c20e88a33043f4279fff360c81006e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
名校
解题方法
3 . 如图,矩形AMND所在平面与直角梯形MBCN所在的平面垂直,MB//NC,MN⊥MB.
(2)若MC⊥CB,求证:BC⊥AC.
(2)若MC⊥CB,求证:BC⊥AC.
您最近一年使用:0次
2023-04-19更新
|
1235次组卷
|
9卷引用:江西省吉水县第二中学2022-2023学年高二上学期开学测试数学试题
江西省吉水县第二中学2022-2023学年高二上学期开学测试数学试题2015-2016学年河南省鄢陵县一中高一12月月考数学试卷第六章 立体几何初步测评-北师大版(2019)高中数学必修第二册第六章 立体几何初步测评 课后习题 2020-2021学年高一数学北师大版(2019)必修第二册上海市复旦大学附属中学2023届高三毕业考试数学试题内蒙古自治区巴彦淖尔市衡越实验中学2022-2023学年高一下学期期末数学试题(已下线)第10章 空间直线与平面 单元综合检测(重点)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)(已下线)8.6.3平面与平面垂直——课后作业(巩固版)上海市松江二中2023-2024学年高二下学期5月考数学试卷
解题方法
4 . 如图,四边形ABCD是边长为2的菱形,∠ABC=60°,将
沿直线AC折起到
的位置,使PD=3.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/acb77688-ddb0-45f4-89c3-e036b9e60f21.png?resizew=170)
(1)证明:
;
(2)求点C到平面APD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d20dded1ebe7a10b9cc48c4b655978b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/acb77688-ddb0-45f4-89c3-e036b9e60f21.png?resizew=170)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5f516a380f5d9eacf4a9223af6db97.png)
(2)求点C到平面APD的距离.
您最近一年使用:0次
2022-10-20更新
|
153次组卷
|
2卷引用:江西省赣州市七校2023届高三上学期期中联考数学(文)试题
名校
解题方法
5 . 如图
,在边长为
的等边
中,
,
分别为边
,
的中点.将
沿
折起,使得
,得到如图
的四棱锥
,连接
,
,且
与
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/df6c4abf-3be1-4ea2-a342-afe65a2d1c3d.png?resizew=420)
(1)证明:
;
(2)设点
到平面
的距离为
,点
到平面
的距离为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5164a3cc47e266446d49127e2ef10c37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/df6c4abf-3be1-4ea2-a342-afe65a2d1c3d.png?resizew=420)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc16a9467a6de4ff5cfccc4316ae871.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97a9b32570d553161be04d13954e92a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b53eab97158937f92039c1e133b0f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f285174fbf90a9742de57c1e53224cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0bc9e7badfafa2bfd9ece72da1ac71a.png)
您最近一年使用:0次
2022-10-09更新
|
198次组卷
|
3卷引用:江西省临川第一中学2023届高三上学期期中数学(理)试题
名校
解题方法
6 . 如图,在四棱锥
中,
,且
是棱
上一点,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/3c02264d-3b1e-4df5-9624-9a16f6342193.png?resizew=128)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
平面
;
(2)若三棱锥
的体积是
的面积是
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/609653c2656cd993d77841b3922357ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71c67dae7c83183ffbf215c58ed1def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4448fd8a289320119b897a0deba4dd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3ecf445ec08914acb644c94c4b0670.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/3c02264d-3b1e-4df5-9624-9a16f6342193.png?resizew=128)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)若三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25d83c991c3d5cf60d11454f4ea5a129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce87b2ad30ede39a8d3e785beb4df64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
您最近一年使用:0次
2022-09-28更新
|
333次组卷
|
2卷引用:江西省临川第一中学2023届高三上学期期中考试数学(文)试题
名校
解题方法
7 . 如图,在直三棱柱
中,
,
,
,M为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/ed09a051-414b-47f3-8b6b-00133ea5b453.png?resizew=156)
(1)证明:
平面
;
(2)求点A到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9332278351ab92e03e984e9279dd06a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/ed09a051-414b-47f3-8b6b-00133ea5b453.png?resizew=156)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02cb62f4c1e0e023619922eb8a509c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4a1f5a0cdcabfcb417d26f69b337de.png)
(2)求点A到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4a1f5a0cdcabfcb417d26f69b337de.png)
您最近一年使用:0次
2023-02-18更新
|
3340次组卷
|
10卷引用:江西省赣州市2022-2023学年高二上学期期末考试数学试题
江西省赣州市2022-2023学年高二上学期期末考试数学试题广东省揭阳市普宁国贤学校2023届高三下学期3月摸底数学试题(已下线)第八章立体几何初步(基础检测卷)内蒙古巴彦淖尔市衡越实验中学2022-2023学年高二下学期第一次学业诊断测试数学(文科)试题浙江省金华十校2022-2023学年高三下学期4月模拟考试预演数学试题(已下线)核心考点08空间直线、平面的垂直-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)湖南省长沙市雅礼中学2024届高三上学期月考(一)数学试题湖北省武昌实验中学2023-2024学年高三上学期10月月考数学试题(已下线)艺体生一轮复习 第七章 立体几何 第34讲 空间中的垂直关系【讲】(已下线)第13讲 8.6.2直线与平面垂直的性质定理 (第2课时)-【帮课堂】(人教A版2019必修第二册)
名校
8 . 如图,AB是
的直径,PA垂直于
所在的平面,C是圆周上不同于A、B的任意一点,且
.求证:
![](https://img.xkw.com/dksih/QBM/2022/7/12/3020880561184768/3025004477136896/STEM/357344e63220402ead6d8d23065e6873.png?resizew=218)
(1)平面
平面PBC;
(2)当点C(不与A、B重合)在圆周上运动时,求平面PBC与
所在的平面所成二面角大小的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829f9180ddd9aa1a0ee0dc520f4e0b5f.png)
![](https://img.xkw.com/dksih/QBM/2022/7/12/3020880561184768/3025004477136896/STEM/357344e63220402ead6d8d23065e6873.png?resizew=218)
(1)平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
(2)当点C(不与A、B重合)在圆周上运动时,求平面PBC与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
2022-07-18更新
|
703次组卷
|
5卷引用:江西省省重点校联盟2022-2023学年高二上学期入学摸底联考数学试题
江西省省重点校联盟2022-2023学年高二上学期入学摸底联考数学试题江西省上饶市广丰区重点高中2022-2023学年高二上学期第一次月考数学试题山东省菏泽市2021-2022学年高一下学期期末数学试题(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)(已下线)第八章 立体几何初步 单元复习提升(易错与拓展)(2)-单元速记·巧练(人教A版2019必修第二册)
名校
解题方法
9 . 如图,已知AB⊥平面BCD,BC⊥CD.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/88207df6-b354-4fff-8d86-a55180376f87.png?resizew=173)
(1)求证:平面ACD⊥平面ABC;
(2)若AB=1,CD=BC=
,求直线AD与平面ABC所成的角的余弦值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/88207df6-b354-4fff-8d86-a55180376f87.png?resizew=173)
(1)求证:平面ACD⊥平面ABC;
(2)若AB=1,CD=BC=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef812f839622326a7d7027cc806aaeb.png)
您最近一年使用:0次
2022-10-13更新
|
451次组卷
|
3卷引用:江西省赣州市赣县第三中学2022-2023学年高二上学期期中测试数学试题
10 . 如图,正三棱柱
中,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/f613ec62-56d1-45df-9038-d9c374ed0b08.png?resizew=160)
(1)求证:
平面
;
(2)若
,求直线
与平面
所成的角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/f613ec62-56d1-45df-9038-d9c374ed0b08.png?resizew=160)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c920d02068d0e63ffdab70786c526d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba99277e38f8d9f817a9d7db8198219.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0e44cb429eea46e7ee4320147192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9961e091f180e964a962adf6916f33c8.png)
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