名校
解题方法
1 . 布达佩斯的伊帕姆维泽蒂博物馆收藏的达·芬奇方砖在正六边形上画了具有视觉效果的正方体图案,如图1,把三片这样的达·芬奇方砖拼成图2的组合,这个组合再转换成图3所示的几何体.若图3中每个正方体的棱长为1,则( )
A.![]() |
B.直线![]() ![]() ![]() |
C.点![]() ![]() ![]() |
D.异面直线![]() ![]() ![]() |
您最近一年使用:0次
2023-09-11更新
|
843次组卷
|
10卷引用:黑龙江省佳木斯市东风区第八中学2023-2024学年高二上学期10月月考数学试题
黑龙江省佳木斯市东风区第八中学2023-2024学年高二上学期10月月考数学试题福建省龙岩市一级校联盟2022-2023学年高二下学期期中联考数学试题宁夏银川市景博中学2023-2024学年高二上学期9月质量检测数学试题吉林省吉林市第四中学2023-2024学年高二上学期9月月考数学试题福建省南安市华侨中学2023-2024学年高二上学期10月教学质量监测数学试题黑龙江省哈尔滨市第一中学校2023-2024学年高二上学期10月月考数学试题山西省晋中市博雅培文实验学校2023-2024学年高二上学期期中数学试题云南省昭通市云天化中学教研联盟2023-2024学年高二上学期期中数学试题(已下线)模块一 专题6《 空间向量应用》 A基础卷 (苏教版)福建省宁德市福安市第一中学2023-2024学年高二下学期第三次月考数学试题
名校
解题方法
2 . 如图,在底面为菱形的四棱锥
中,
底面
,
为
的中点,且
,
,以
为坐标原点,
的方向为
轴的正方向,建立如图所示的空间直角坐标系.
(1)写出
四点的坐标;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662698361c6b3ddaf0c28a3c87be53e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a77f26a7be722e00baa984f769ec8d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083a20abb668d4c26fe5039bd108b40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/8/61c16720-f13c-4692-a7ae-c7f77d67bc0d.png?resizew=170)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f63a76a5f78eb64e64b5a2c9f1553cb.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cea3c88d1b658968c902941963dad81.png)
您最近一年使用:0次
2023-09-07更新
|
805次组卷
|
7卷引用:黑龙江省佳木斯市东风区第八中学2023-2024学年高二上学期10月月考数学试题
名校
3 . 如图,在三棱锥
中,
底面
,
.点
,
,
分别为棱
,
,
的中点,
是线段
的中点,
,
.
(1)求证:
∥平面
;
(2)在线段
上是否存在一点
,使得直线
与平面
所成角的正弦值为
,若存在,求出线段
的值,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/1bae7599ad243c12d94325ad917f0a44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/5/5d0b4c64-f03c-448b-8947-9cacf461ec1b.png?resizew=211)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9d2abf13c2842f58654abf73c6b4ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6221be113e161825e54d48a2fb16d516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c8870f9d4d6f43f2bce6afcc22e26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
您最近一年使用:0次
2023-09-01更新
|
555次组卷
|
3卷引用:黑龙江省佳木斯市四校联考2023-2024学年高二上学期11月期中数学试题
名校
解题方法
4 . 阅读材料:空间直角坐标系
中,过点
且一个法向量为
的平面
的方程为
,阅读上面材料,解决下面问题:已知平面
的方程为
,直线
是两平面
与
的交线,则直线
与平面
所成角的正弦值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf95be25d34a7366bf4060d081329c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b094075a5959ef2fe46e32893091f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b523a8c1993478f6599680dc3b3dc45b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdf22b3f2ba07e0f15dedb85282458e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d429ec4c319b83bd606594e7d3a133b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b6b86a637bc3c84d7b1916fb432dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2023-01-10更新
|
549次组卷
|
4卷引用:黑龙江省佳木斯市东风区第八中学2023-2024学年高二上学期10月月考数学试题
黑龙江省佳木斯市东风区第八中学2023-2024学年高二上学期10月月考数学试题山西省晋城市第一中学校2022-2023学年高二上学期11月月考数学试题河北省邯郸市魏县2022-2023学年高二上学期期末考试数学试题(已下线)第五篇 向量与几何 专题18 空间点线面问题 微点1 空间点线面问题
名校
解题方法
5 . 如图,在平行六面体
中,
,
,则直线
与直线
所成角为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/9f643654-c380-4be9-be00-7deeb1d55c36.png?resizew=187)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2d1a2a9462e51f79addc272696b88f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b315d8670e8ac4203ec5c09a311678d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/9f643654-c380-4be9-be00-7deeb1d55c36.png?resizew=187)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-12-18更新
|
577次组卷
|
7卷引用:黑龙江省佳木斯市东风区第八中学2023-2024学年高二上学期10月月考数学试题
黑龙江省佳木斯市东风区第八中学2023-2024学年高二上学期10月月考数学试题浙江省北斗星盟2022-2023学年高二上学期12月阶段性联考数学试题(已下线)专题01 空间向量与立体几何小题专项练习(已下线)6.3.3 空间角的计算(练习)-2022-2023学年高二数学同步精品课堂(苏教版2019选择性必修第二册)河北省唐山市开滦第二中学2023-2024学年高二上学期10月月考数学试题(已下线)人教A版高二上学期【第一次月考卷】(测试范围:第1章-第2章)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)江苏省宿迁市泗阳县实验高级中学2023-2024学年高二下学期第一次调研测试(3月)数学试题
名校
解题方法
6 . 如图所示,在直三棱柱
中,
,
,点
分别为棱
,
的中点,点
是线段
上的点(不包括两个端点).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/ae430474-28f6-49ef-a9e2-d69a04d1f6af.png?resizew=184)
(1)当
为线段
的中点时,求点
到平面
的距离;
(2)是否存在一点
,使得二面角
的余弦值为
,如果存在,求出
的值;如果不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96a6b20a35af7755e5d90789ea862da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/ae430474-28f6-49ef-a9e2-d69a04d1f6af.png?resizew=184)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
(2)是否存在一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3793f8863ff929602e3e60ebae6127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d0f451005f07f21f3380c707dc79d4.png)
您最近一年使用:0次
名校
7 . 如图所示正四棱锥
,P为侧棱SD上的点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/d0c1ae83-a3de-4493-9be8-8e56f7ca9cad.png?resizew=168)
(1)求证:
;
(2)求直线SC与平面ACP所成角的正弦值;
(3)侧棱SC上是否存在一点E,使得
平面PAC,若存在,求
的值;若不存在,试说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db46bdc86215307e3b6c5c063740d533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1e319370a8ffcd86362379856d6b95.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/d0c1ae83-a3de-4493-9be8-8e56f7ca9cad.png?resizew=168)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c177e06cc3f703e8ca7be7c491fa2942.png)
(2)求直线SC与平面ACP所成角的正弦值;
(3)侧棱SC上是否存在一点E,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c372d059202ec388960b125d4a87dc84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea0808c7df5a3fa6678ee5406b35b25.png)
您最近一年使用:0次
2022-10-26更新
|
1562次组卷
|
3卷引用:黑龙江省佳木斯市第一中学2024届高三第四次调研考试数学试题
名校
8 . 如图,在四棱锥
中,已知底面
是正方形,
底面
,且
是棱
上一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/611853af-c7ef-4dcb-a433-d15c21266e57.png?resizew=142)
(1)若
平面
,证明:
是
的中点.
(2)线段
上是否存在点
,使二面角
的余弦值是
?若存在,求
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6be2b61f4a38e2ee2c1a01e00b3ae6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a1d668da8b3e0333b95ce5843adf19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ce408275a91a6e8c5f2a174265ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/611853af-c7ef-4dcb-a433-d15c21266e57.png?resizew=142)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826bf6fa3706921b77ad0eb4fcc206bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d71190e0bf7d159f025f927372ff9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63df78dd883e274ecf7d4017ef5efcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956adbca7e7f83d798de829ca03ac6e4.png)
您最近一年使用:0次
2022-10-19更新
|
1238次组卷
|
5卷引用:黑龙江省佳木斯市第八中学2023届高三下学期开学考试数学试题
名校
解题方法
9 . 已知梯形ABCD和矩形CDEF.在平面图形中,
,
.现将矩形CDEF沿CD进行如图所示的翻折,M为AE的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/8b2f8f85-1015-4725-acb0-32dae2cdad44.png?resizew=345)
(1)设N是BC的中点,求证:
平面CDEF;
(2)在翻折的过程中,当二面角A-CD-E的大小为
时,求直线BM与平面BCE所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0bba92628a9b45cbba7721fc7e7722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dac702fe64edf1bc265da4b98cf2a0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/8b2f8f85-1015-4725-acb0-32dae2cdad44.png?resizew=345)
(1)设N是BC的中点,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
(2)在翻折的过程中,当二面角A-CD-E的大小为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
您最近一年使用:0次
2022-09-20更新
|
1579次组卷
|
4卷引用:黑龙江省佳木斯市第一中学2022届高三第三次模拟数学(理)试题
黑龙江省佳木斯市第一中学2022届高三第三次模拟数学(理)试题(已下线)考向28利用空间向量求空间角(重点)(已下线)模拟卷02黑龙江省绥化市肇东市第四中学校2022-2023学年高三上学期期末数学试题
名校
10 . 已知梯形
和矩形
.在平面图形中,
,
,现将矩形
沿
进行如图所示的翻折.
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/19/960123da-0a61-4ab7-8897-d69014903e98.png?resizew=351)
(1)设
是
的中点,求证:
平面
;
(2)当平面
平面
,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/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0bba92628a9b45cbba7721fc7e7722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dac702fe64edf1bc265da4b98cf2a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/19/960123da-0a61-4ab7-8897-d69014903e98.png?resizew=351)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eaa5e336f830a3e5cd60ff7a756f3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
(2)当平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5a68a008a22d5a8cea5fe8dcf31e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
您最近一年使用:0次