名校
1 . 如图,四棱柱
的底面
为正方形,
平面
,
,
,点
在
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/8dfdc6aa-5532-4eef-9f62-0981ad9c547c.png?resizew=185)
(1)求证:
;
(2)求直线
与平面
所成角的正弦值;
(3)求二面角
的平面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddbb0422a136f45653c8c369f2d75fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05931cb74b16f5afbf58f41dfa9abe3a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/8dfdc6aa-5532-4eef-9f62-0981ad9c547c.png?resizew=185)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8344765e451fd255948fc56d247418c2.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(3)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4be6ee295b46490a1eed671b6975a0.png)
您最近一年使用:0次
解题方法
2 . 如图,长方体
中,AB=BC=2,
,点P是底面ABCD所在平面内的动点,点R是线段
的中点,点Q是直线
上的动点,下列结论正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/542f796a-2aa0-4a73-b0e8-312b6b485fc6.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1192b3111a6dad01bba5227472bb4072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/542f796a-2aa0-4a73-b0e8-312b6b485fc6.png?resizew=165)
A.![]() ![]() |
B.四面体![]() |
C.若![]() ![]() ![]() |
D.若点P在直线BD上,则PR与平面![]() ![]() |
您最近一年使用:0次
2022-11-10更新
|
911次组卷
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3卷引用:浙江省衢温“5+1”联盟2022-2023学年高二创新班上学期期中联考数学试题
3 . 在如图所示的几何体
中,
与
为全等的等腰直角三角形,
,四边形
为正方形,且
,
.已知平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/0af59e09-30a9-45dd-9c39-158ab19adf4c.png?resizew=160)
(1)求证:
;
(2)已知
,
为
上一点,求直线
与平面
所成角的正弦值的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d8f2afc63afc94c447ed229f33450d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff744f47e5a15e26ab5e0c5c3f0aeda9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e793c52fdd16cc602eaf753964ec02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6033e34525a01165a587dadd87309ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02864602e30b261c2de2fffb52193a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d188950c55432a52dff2300fc4a5c55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9ab042ec9c046f7aa4242b765cbb081.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/0af59e09-30a9-45dd-9c39-158ab19adf4c.png?resizew=160)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72eea840f9b0f17a463fec1b7319025f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb5255e2159617505e0c87d01437a57.png)
您最近一年使用:0次
解题方法
4 . 如图,在四棱锥
中,底面
为矩形,侧棱
底面
,
,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/20e7c590-18b6-4e44-8672-7de7f73e8a6e.png?resizew=192)
(1)求直线
到平面
的距离;
(2)求平面
与平面
夹角的余弦值.
![](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/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb886ce5fa68b1bafeed307589576348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/20e7c590-18b6-4e44-8672-7de7f73e8a6e.png?resizew=192)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次
2022-11-10更新
|
319次组卷
|
2卷引用:山东省烟台市2022-2023学年高二上学期期中考试数学试题
解题方法
5 . 如图,四边形
是边长为2的菱形,
,
平面
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/82290cd8-f56d-448e-9c9e-7da4b3e56d25.png?resizew=156)
(1)求证:
;
(2)求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83717ddbfc0e91b09c239c6338947e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa52a0b1b248c2861bc4944b599c8bb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/82290cd8-f56d-448e-9c9e-7da4b3e56d25.png?resizew=156)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b154270249b0ef54ddb26137b2681a.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f947fd286e0c37fdcc8d1b6ce4295c7a.png)
您最近一年使用:0次
名校
解题方法
6 . 如图,在四棱锥
中,
是以
为斜边的等腰直角三角形,
,
,
,
为
的中点,则下列结论正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/7a313ae5-e830-4d1c-a1fc-a5dd34dfbba9.png?resizew=184)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5acb763021bf166ca719d07223591d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ae95065282e2cb195cccab036f0774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/7a313ae5-e830-4d1c-a1fc-a5dd34dfbba9.png?resizew=184)
A.![]() ![]() | B.平面![]() ![]() |
C.点![]() ![]() ![]() | D.二面角![]() ![]() |
您最近一年使用:0次
2022-11-10更新
|
363次组卷
|
3卷引用:山东省烟台市2022-2023学年高二上学期期中考试数学试题
山东省烟台市2022-2023学年高二上学期期中考试数学试题山东省泰安新泰市第一中学(东校)2023-2024学年高二上学期第一次质量检测数学试题(已下线)期中真题必刷易错60题(22个考点专练)-【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)
解题方法
7 . 如图,
和
均是边长为2的正三角形,
是以
为斜边的等腰直角三角形,则异面直线
与
夹角的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/b5525f3f-dc4c-4da0-bdc6-22c58bf783c9.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/b5525f3f-dc4c-4da0-bdc6-22c58bf783c9.png?resizew=172)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 如图,在四棱锥P-ABCD中,平面PAB⊥平面ABCD,底面ABCD为菱形,PA=PB=AB=2,E为AD中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/0d26d46a-b14a-4162-94cc-76e6ebadc26c.png?resizew=174)
(1)证明:AC⊥PE;
(2)若AC=2,F点在线段AD上,当直线PF与平面PCD所成角的正弦值为
,求AF的长.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/0d26d46a-b14a-4162-94cc-76e6ebadc26c.png?resizew=174)
(1)证明:AC⊥PE;
(2)若AC=2,F点在线段AD上,当直线PF与平面PCD所成角的正弦值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
您最近一年使用:0次
2022-11-10更新
|
207次组卷
|
2卷引用:福建省永安第九中学2022-2023学年高二上学期期中考试数学试题
名校
解题方法
9 . 如图所示,在直三棱柱
中,
分别为棱
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/5f6141ba-8abb-49b7-8036-7b5983e9a33d.png?resizew=166)
(1)证明:平面
平面
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8becd8bdd2f9125840267594223ba191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/5f6141ba-8abb-49b7-8036-7b5983e9a33d.png?resizew=166)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc6db50a9709c3f4d84eee7bdf1250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97babc2abb18c1540d3a5504f7cf3fe.png)
您最近一年使用:0次
2022-11-10更新
|
214次组卷
|
4卷引用:河北省部分学校2022-2023学年高二上学期期中数学试题
名校
10 . 在长方体
中,底面
是边长为2的正方形,
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/3bac2b27-9a61-44b5-a336-9e524061e193.png?resizew=170)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
平面
.
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2501c41a2761d3e8371a3383fba33fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0454f72e6dba8d432c76491aedcce9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/3bac2b27-9a61-44b5-a336-9e524061e193.png?resizew=170)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c52091eb745de866044477641a7c55f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70db40c42655327adee01caedfc9d50c.png)
您最近一年使用:0次
2022-11-10更新
|
302次组卷
|
6卷引用:河北省部分学校2022-2023学年高二上学期期中数学试题