名校
解题方法
1 . 如图,直三棱柱
的体积为4,
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/c4ef290b-fa7c-40f5-b8e1-0e2af2bd4272.png?resizew=155)
(1)求
到平面
的距离;
(2)设D为
的中点,
,平面
平面
,求线段BC的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36cf3bff56a7f4ab6c0008e90823025d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97374d6256418aefd93bc90b6370c62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e4b5a2ccac15d3015249bd19a1876f1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/c4ef290b-fa7c-40f5-b8e1-0e2af2bd4272.png?resizew=155)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5d4c1ee4e1e7338c83936a6811f0a1.png)
(2)设D为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475e6a90dcd426d7c88b83f9e20e6578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ee02731cf0ef5274d1c73d374e1e59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f841e3f3fd5a2380ff990557fe50570a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20fc4fbd9390e2a5200920910abc63b2.png)
您最近一年使用:0次
2022-10-20更新
|
1018次组卷
|
4卷引用:第八章 立体几何初步 (单元测)
(已下线)第八章 立体几何初步 (单元测)福建省福州高级中学2021-2022学年高一下学期第四学段(期末)考试数学试题(已下线)8.6.1 空间直线、平面的垂直(精练)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)福建省华安县第一中学2022-2023学年高一下学期第一次月考数学试题
名校
解题方法
2 . 如图,在四棱锥
中,
平面
为
的中点,底面
是边长为2的正方形,且二面角
的余弦值为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/26/f4b0f844-f5b8-4470-a4b5-6e9d9afa0329.png?resizew=168)
(1)求
的长;
(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/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d11e19c84255eb0431415c2dec553d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8efa92fbb689ce6f9ab3384918f48774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f1145c162038df3c7184d9201c628e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/26/f4b0f844-f5b8-4470-a4b5-6e9d9afa0329.png?resizew=168)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4739ad948445af72d585fe29c745929b.png)
您最近一年使用:0次
2023-02-22更新
|
932次组卷
|
8卷引用:第13讲 第一章 空间向量与立体几何 章节验收测评卷(提高卷)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)
(已下线)第13讲 第一章 空间向量与立体几何 章节验收测评卷(提高卷)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)北京市西城区2020-2021学年高二上学期期末考试数学试题黑龙江省大庆铁人中学2022-2023学年高二上学期第一次月考数学试题(已下线)陕西省宝鸡市金台区2022-2023学年高二上学期期末理科数学试题江苏省常州市田家炳高级中学2022-2023学年高二下学期期初数学试题(已下线)模块十 最后第4节课 立体几何(已下线)模块三 专题4 空间向量与立体几何--拔高能力练(高二苏教)江苏省盐城市三校联考2022-2023学年高二下学期第一次学期检测数学试题
解题方法
3 . 如图,正三棱柱
中,
,
,N为AB的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/2443417d-3174-4e6d-8e74-411010cc7c3c.png?resizew=209)
(1)求证:
平面
;
(2)求A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/4ef8866ccf160ddc441bf69c5d3a3d5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/2443417d-3174-4e6d-8e74-411010cc7c3c.png?resizew=209)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89006cac018a9875f65ed7bd429c61bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9593b5bde2cef14d5ca46973420f62b.png)
(2)求A到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9593b5bde2cef14d5ca46973420f62b.png)
您最近一年使用:0次
名校
4 . 如图,在四棱锥
中,底面
是菱形,
,
,
,
底面
,
,点
在棱
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/5f861a4f-d7cb-4a21-8a71-6b1bc5b4be21.png?resizew=216)
(1)证明:平面
平面
;
(2)求二面角
的余弦值.
(3)求四面体
的体积.
![](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/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23f01af749100e1888bba06268843db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae890f9e8b32aa53a54158f24f4a87bc.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/4cc72a44dad13532cb9ddcc64bd78105.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/5f861a4f-d7cb-4a21-8a71-6b1bc5b4be21.png?resizew=216)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c222223dae9ef27d4c132534d9848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5102c216393e133fa25dba98cd78535.png)
(3)求四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f178906e90bafd73e0ef9f89814855d5.png)
您最近一年使用:0次
2022-09-29更新
|
4304次组卷
|
3卷引用:第8章 立体几何初步 章末测试(提升)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)
5 . 如图所示,在长方体
中,
,
,且E为
中点.求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eecdb805296b7dee15520f8d1e94b24e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4217f4375caaeef4d4221143d5f6bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ecd8e274cebd92bd814ef7158b50fb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/87b85b25-7440-458a-82d7-bb6a5106899a.png?resizew=256)
您最近一年使用:0次
6 . 如图,在以
为顶点的五面体中,面
为正方形,
,
,
,且二面角
与二面角
都是
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/0bcc5ddd-e2b7-4b39-9098-45e3f27c0871.png?resizew=184)
(1)证明:平面
平面
;
(2)求
到平面
的距离;
(3)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/708b70cc6e08253e6b476dfbd1a2e749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0fc232acd89fc499de346969ce8ced1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ade06068471a9d76e32b417bef7551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0e38c274227cbc24bda9ecb457ebfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9726261c25e7086835912c0d4815d270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4343d561ca5566c09bccb8f321be0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/0bcc5ddd-e2b7-4b39-9098-45e3f27c0871.png?resizew=184)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c674dc5024374f53920947c4cf4baf11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6240d4cf0fb44aa1e6bdaf2a4bdfb37e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b2ef1b525d302da087241e37387fa6.png)
(3)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f357cb33e72768f15723208a4b796f6.png)
您最近一年使用:0次
7 . 如图,长方体
的棱
、
的长分别为3、4、5,求下列距离:
的距离;
(2)直线
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82d579a717399137b8c6d475d33cd4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
您最近一年使用:0次
2022-09-14更新
|
639次组卷
|
3卷引用:第六章 立体几何初步(单元综合检测卷)-【超级课堂】
第六章 立体几何初步(单元综合检测卷)-【超级课堂】沪教版(2020) 必修第三册 经典导学 第10章 10.3 第3课时 直线与平面垂直(已下线)11.1.2 构成空间几何体的基本元素-【帮课堂】(人教B版2019必修第四册)
名校
8 . 如图,多面体ABCDEF中,四边形ABCD为矩形,二面角
为
,
,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/f793754a-f7bc-411d-a5f2-896bd8427638.png?resizew=284)
(1)求证:
平面ADE;
(2)求直线AC与平面CDEF所成角的正弦值;
(3)求点F到平面ABCD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41952e78731dc57a028a93672c9ec29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5519c1efed9b34725446c2ee488ab3c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbb52f9b226b1db3f6f9f055948bd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40560ea08d6cd8c1d4d9661ee6faaa3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a19338598965bb3856cdd0236bbf694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4982bdbeb295651557a71800f567444.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/f793754a-f7bc-411d-a5f2-896bd8427638.png?resizew=284)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8ccd4181f956f6e0140bf0ab8f0716.png)
(2)求直线AC与平面CDEF所成角的正弦值;
(3)求点F到平面ABCD的距离.
您最近一年使用:0次
2023-01-19更新
|
3793次组卷
|
4卷引用: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)
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)辽宁省辽南协作体2021-2022学年高二上学期期初校际联考数学试题(已下线)专题8.16 空间角大题专项训练(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)福建省龙岩市连城县第一中学2022-2023学年高一下学期5月月考数学试题
9 . (1)如图,在正四棱锥
中,
,
、
分别为
、
的中点,平面
与棱
交于点
,求平面
与平面
所成二面角的大小;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/1e121723-9e3b-4485-be3a-7c0c42769572.png?resizew=245)
(2)如图,在长方体
中,
,
.求顶点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb1e793d2398dd9c749767222b61cea.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/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72794bd3cbe1a898e2254c3dd98a437e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/1e121723-9e3b-4485-be3a-7c0c42769572.png?resizew=245)
(2)如图,在长方体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8f34f2048a0eece64a4bbbc11da7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a4bbe3e20c3c0561d46a9f173b6b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43713ea7ad8151c6d035f9c7c63996d0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/28a095a1-a509-4b5a-8563-a04e5ae3f5b8.png?resizew=223)
您最近一年使用:0次
2022-07-07更新
|
152次组卷
|
3卷引用:第10章 空间直线与平面(A卷·知识通关练)-【单元测试】2022-2023学年高二数学分层训练AB卷(沪教版2020必修第三册)
(已下线)第10章 空间直线与平面(A卷·知识通关练)-【单元测试】2022-2023学年高二数学分层训练AB卷(沪教版2020必修第三册)上海奉贤区致远高级中学2021-2022学年高二下学期期末数学试题(已下线)10.4 二面角(第2课时)【作业】(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020必修第三册)
10 . 如图,已知正三棱柱
中,
.D是棱
上一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/0156343d-31cc-4d83-b088-6f451f269f64.png?resizew=151)
(1)若
,求直线BD与平面ABC所成角的大小;
(2)若D是
中点,求点A到平面BCD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92105835f8075cb75dff244e908370b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/13/0156343d-31cc-4d83-b088-6f451f269f64.png?resizew=151)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c37515c01f1b2560e7b5ba92ede076d.png)
(2)若D是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
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