1 . 如图,四棱锥
中,底面
为正方形,
面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/81b4cb37-b2f5-4eec-9f3a-192c64a6029c.png?resizew=159)
(1)求异面直线
与
所成角;
(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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c83f8945042b9c8fb2fbdac9308d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a0b15556a1584c1b6b2768bbc9cbda.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/81b4cb37-b2f5-4eec-9f3a-192c64a6029c.png?resizew=159)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef796b46e68fe77b117ff0483d2370c.png)
您最近一年使用:0次
2019-10-31更新
|
433次组卷
|
2卷引用:上海市鲁迅中学2019-2020学年高三上学期9月月考数学试题
2 . 已知正方体
的棱长为2,点
分别是所在棱
的中点,点
是面
的中心.如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/5e031389-0cde-41f1-9007-ac17b61cc287.png?resizew=168)
(1)求三棱锥
的体积
;
(2)求异面直线
与
所成角的大小.(结果用反三角函数值表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e01f99e40ab16bc63b35683be592ea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/5e031389-0cde-41f1-9007-ac17b61cc287.png?resizew=168)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b868d34d04b58ea3a470d5e59f8f31f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3fb844f7da28e062ddf9e1deb371589.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f348ed8a1690d3ed02aa64459ca50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
您最近一年使用:0次
2020-01-01更新
|
104次组卷
|
2卷引用:上海市鲁迅中学2018-2019学年高三上学期期中数学试题
3 . 如图,已知点P在圆柱
的底面圆
上,AB为圆
的直径,圆柱
的表面积为20π,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a11bc4b272ba7ac0ad16be3594afba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/74e8e937-0a95-43b7-a894-0a16e58a11aa.png?resizew=151)
(1)求异面直线
与AP所成角的大小(结果用反三角函数值表示);
(2)求点A到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a11bc4b272ba7ac0ad16be3594afba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/74e8e937-0a95-43b7-a894-0a16e58a11aa.png?resizew=151)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
(2)求点A到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a571745474520e3db9cb68c76585f63.png)
您最近一年使用:0次
2019-11-07更新
|
215次组卷
|
3卷引用:上海市复兴高级中学2015-2016学年高二下学期5月月考数学试题
4 . 如图,直三棱柱
中,
,
,
,
,M、N分别是
和
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/8f1355d1-b8aa-49f9-b1a1-ad23b4208c64.png?resizew=160)
(1)求异面直线
与
所成的角;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2f39d3fcb1664705228e683c2cc3b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97f616f0f32beed421129cbbb4db8d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/8f1355d1-b8aa-49f9-b1a1-ad23b4208c64.png?resizew=160)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee16c91119c5601a7c93a6642c95e7f8.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6616f9874c7e639a4b0f9b2556002aed.png)
您最近一年使用:0次
2019-10-25更新
|
429次组卷
|
4卷引用:上海市复兴高级中学2021届高三上学期期中数学试题
5 . 如图,AB是异面直线a、b的公垂线,长度为2,点C、D分别在直线a和b上,且CD长为4,过线段AB的中点M作平面α,使得AB⊥平面α,线段CD与平面α交点为N.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/4301203e-2d74-49c9-8917-4adf3b8326ea.png?resizew=392)
(1)求异面直线AB和CD所成的角的大小;
(2)求证:直线a∥α且CN=DN.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/4301203e-2d74-49c9-8917-4adf3b8326ea.png?resizew=392)
(1)求异面直线AB和CD所成的角的大小;
(2)求证:直线a∥α且CN=DN.
您最近一年使用:0次
名校
解题方法
6 . 如果底面是菱形的直棱柱(侧棱柱与底面垂直的棱柱)
的所有棱长都相等,
,
分别为
的中点,现有下列四个结论:①
平面
②
③
平面
④异面直线
与
所成的角为
,其中正确结论的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77e5821b24a76c71fdc2cf59fbba308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21de25a662ba9e513dee5d6e34cb237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b190c8d3d7d7d0e6e959e8a52eae90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c52091eb745de866044477641a7c55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f17af3a6673486da8b60a3f01bca55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7bfc1d0b50681765bd3fa6d5920ed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e74395b07e8153a0ef0bbcb5881013f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-04-30更新
|
865次组卷
|
3卷引用:上海外国语大学附属外国语学校2021-2022学年高二上学期期中数学试题
上海外国语大学附属外国语学校2021-2022学年高二上学期期中数学试题【市级联考】内蒙古赤峰市2019届高三4月模拟考试数学(理)试题(已下线)第34练 立体几何的综合-2021年高考数学(理)一轮复习小题必刷
7 . 如图,
是
外接圆
的直径,四边形
为矩形,且
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/3e63b687-7a05-4cc1-968b-cca81a2e600d.png?resizew=140)
(1)证明:直线
平面
;
(2)当三棱锥
的体积最大时,求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec346cba41b378fcd97f1607835e259a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689c065652544780be8b33ae92cbb6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc90c2d45477e166b02359525f40aa6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/3e63b687-7a05-4cc1-968b-cca81a2e600d.png?resizew=140)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
(2)当三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f73a0ca4e6c794242489066fddb6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
8 . 如图,在四棱锥
中,已知
平面
,且四边形
为直角梯形,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/d3bf4ae6-868f-4b29-ba5f-39a265240697.png?resizew=169)
求:(1)异面直线
与
所成角的大小;
(2)四棱锥
的体积与侧面积.
![](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/405effb49ef901476701e72cc47918da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2e356de1dec9ce998366a1a35c0a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/d3bf4ae6-868f-4b29-ba5f-39a265240697.png?resizew=169)
求:(1)异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8e8669900858eebe789038ca686d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
您最近一年使用:0次
2020-02-02更新
|
127次组卷
|
2卷引用:2016届上海市虹口区高三4月高考练习(二模)(文)数学试题
名校
9 . 已知正方体
记过点A且与三直线
、
所成的角都相等的直线的条数为
,过点
与三个平面
所成角都相等的直线的条数为
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6e8da26cf6a4f1a0556619328c2d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82d579a717399137b8c6d475d33cd4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ee5b8fc18425ea97a1b93192dd4e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3585014005c6b460218dfad5d2f3dab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa38dba3681c7b18114885e82463880a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-11-15更新
|
713次组卷
|
5卷引用:上海市复兴高级中学2015-2016学年高三下学期3月月考(理)数学试题
上海市复兴高级中学2015-2016学年高三下学期3月月考(理)数学试题2016届北京市海淀区高三上学期期末考试理科数学试卷北京市昌平临川育人学校2018届高三12月月考数学(理)试题上海市曹杨第二中学2018-2019学年高二上学期期末复习试卷1数学试题(已下线)专题4.4 空间直线与平面【压轴题型专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)
10 . 如图,在正四棱柱
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2025fb058f62e17ba7a16e4b48cdcb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/527b02e9-2aa2-4a19-94bf-f380b0940a4a.png?resizew=165)
(1)求
与平面
所成的角的大小;
(2)求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2025fb058f62e17ba7a16e4b48cdcb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/527b02e9-2aa2-4a19-94bf-f380b0940a4a.png?resizew=165)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
您最近一年使用:0次