名校
解题方法
1 . 如图,在正四棱锥
中,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/82bcdba8-2538-4068-83c3-4a3c62eefec5.png?resizew=188)
(1)求侧棱
与底面ABCD所成角的大小;
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06cb01443be899ef03dfe279af2ecfa2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/82bcdba8-2538-4068-83c3-4a3c62eefec5.png?resizew=188)
(1)求侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47d294d69caac577339f11f477b2047e.png)
您最近一年使用:0次
解题方法
2 . 如图,已知正四棱锥V-ABCD,底面面积为16,一条侧棱长为
.求斜高VM与底面所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cbb271baca5cd015f30e07d9eebfd8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/1d1222a4-9f0b-4635-88ad-72cc0225eaf3.png?resizew=188)
您最近一年使用:0次
解题方法
3 . 如图,已知
是边长为1的正方形,正方形
绕
旋转形成一个几何体.正方形
绕
逆时针旋转
至
,求线段
与平面
所成的角.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679748eab882a6be0fefd2cc300349a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2022/9/14/3066354478522368/3066901446828032/STEM/078bb808342c469ea21dbd1552c9138b.png?resizew=189)
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4 . 如图所示,已知菱形
和矩形
所在平面互相垂直,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/22/5114eebd-0d33-4333-8d91-2838fc08561d.png?resizew=222)
(1)证明:平面
平面
;
(2)设
中点为
,求直线
与底面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26eba7e649fade39fd2d0b6ef4ac5ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6370d6c626bdabf1fc694501ee6c714f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/22/5114eebd-0d33-4333-8d91-2838fc08561d.png?resizew=222)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ce82a4c37365f2d4dea2c4ad2e3288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
名校
5 . 如图,在直三棱柱
中,已知
,
,
.
![](https://img.xkw.com/dksih/QBM/2022/5/6/2973798055804928/2975010990252032/STEM/b10f4f37-4d75-431e-ae17-b06b65abec4c.png?resizew=162)
(1)求四棱锥
的体积;
(2)求直线
与平面
所成的角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209acf15985d1ea1ad86fc4a37e38c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cafb1f6c1f0856b4961eecaf49731eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://img.xkw.com/dksih/QBM/2022/5/6/2973798055804928/2975010990252032/STEM/b10f4f37-4d75-431e-ae17-b06b65abec4c.png?resizew=162)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d0727de4c16b53b4bb6ab370afde6c.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
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2022-05-08更新
|
585次组卷
|
5卷引用:11.2 锥体(第2课时)(三大题型)(分层练习)-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)11.2 锥体(第2课时)(三大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)上海市行知中学2021-2022学年高二下学期期中数学试题(已下线)第11讲 柱、锥、台的体积(核心考点讲与练)-2022-2023学年高二数学考试满分全攻略(沪教版2020必修第三册)(已下线)11.2锥体(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)(已下线)核心考点05 空间向量及其应用(2)
名校
6 . 如图,圆锥的底面直径与母线长均为4,PO是圆锥的高,点C是底面直径AB所对弧的中点,点D是母线PA的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/e6f1a5c3-5e92-46cb-854c-912b6ecffa11.png?resizew=165)
(1)求该圆锥的体积;
(2)求直线CD与平面PAB所成角的大小.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/e6f1a5c3-5e92-46cb-854c-912b6ecffa11.png?resizew=165)
(1)求该圆锥的体积;
(2)求直线CD与平面PAB所成角的大小.
您最近一年使用:0次
2021-12-20更新
|
652次组卷
|
5卷引用:11.2 锥体(第2课时)(三大题型)(分层练习)-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)11.2 锥体(第2课时)(三大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)上海市闵行区2022届高三上学期一模数学试题上海市市西中学2022-2023学年高二上学期期中数学试题上海市高桥中学2021-2022学年高二上学期期末数学试题上海市青浦高级中学2021-2022学年高二上学期期末数学试题
20-21高一·全国·课后作业
解题方法
7 . 如图,三棱柱
的底面
是等腰直角三角形,
,侧棱
底面
,且
,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/dc835a4a-213e-46e6-8922-a280103ae2bb.png?resizew=142)
(1)求异面直线
与
所成角的余弦值;
(2)求直线
与平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/883fc5e3faf39829d60804b59deb1730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/dc835a4a-213e-46e6-8922-a280103ae2bb.png?resizew=142)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
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2021-10-14更新
|
298次组卷
|
4卷引用:10.3 直线与平面间的位置关系(第3课时)(七大题型)(分层练习)-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)10.3 直线与平面间的位置关系(第3课时)(七大题型)(分层练习)-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)第八章 立体几何初步综合测评(作业)-【上好课】2020-2021学年高一数学同步备课系列(人教A版2019必修第二册)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
8 . 如图,在边长为2的正方形
中,点
是
的中点,点
是
的中点,将
,
,
分别沿
,
,
折起,使
,
,
三点重合于点
.
![](https://img.xkw.com/dksih/QBM/2021/6/5/2736409118883840/2801090348777472/STEM/9334ff3d009d4a758f919461a33044bf.png?resizew=416)
(1)求证:
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/c771a4feb150ad9cff8d70431c97eb17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2ea13010e2399194be2a681310543e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13668f033d00acfc366f7e47949c4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://img.xkw.com/dksih/QBM/2021/6/5/2736409118883840/2801090348777472/STEM/9334ff3d009d4a758f919461a33044bf.png?resizew=416)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cbc7f1e43c643372f6d68d33c92acb.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a21897349d3d7c94419692106887153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebce46aeb97373353179e5669365fa4a.png)
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2021-09-04更新
|
1073次组卷
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4卷引用:10.3 直线与平面间的位置关系(第3课时)(七大题型)(分层练习)-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)10.3 直线与平面间的位置关系(第3课时)(七大题型)(分层练习)-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)专题8.12 空间直线、平面的垂直(一)(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)山西省吕梁市柳林县2020-2021学年高一下学期5月月考数学试题(已下线)8.6 空间直线、平面的垂直(精讲)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第二册)
9 . 已知
是底面边长为1的正四棱柱,
是
和
的交点.
与底面
所成的角的大小为
,二面角
的大小为
,
求证:
;
⑵ 若点
到平面
的距离为
,求正四棱柱
的高.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a37f61e228d77116e392ed227f102b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b00b5a0c4977af44c64ed01e55157eb.png)
⑵ 若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7f4612c548b1f72a964ddb291cd2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
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2016-11-30更新
|
1080次组卷
|
5卷引用:复习题(三)
(已下线)复习题(三)2011年上海市普通高中招生考试理科数学(已下线)课时42 空间平面与平面的位置关系-2022年高考数学一轮复习小题多维练(上海专用)(已下线)第3章 空间向量及其应用【单元提升卷】-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)沪教版(2020) 选修第一册 单元训练 第3章 单元测试