名校
解题方法
1 . 如图,在四棱锥
中,底面
为矩形,平面
平面
,
,
,
,
为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/aa6792d5-2f1b-4248-945f-570f3d9b301f.png?resizew=255)
(1)求证:
平面
;
(2)求证:平面
平面
.
![](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/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c384a1a635268b368907ddd25702c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/aa6792d5-2f1b-4248-945f-570f3d9b301f.png?resizew=255)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36222db36e348661eb5f616820e4e60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8548b4b6a78b672675479fd98a4c8432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
2020高三·全国·专题练习
名校
解题方法
2 . 如图,在四棱锥PABCD中,PA⊥平面ABCD,底面ABCD为菱形,E为CD的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/25b8c1ec-e5a2-4661-b2bb-39335139d0b4.png?resizew=148)
(1)求证:BD⊥平面PAC;
(2)若∠ABC=60°,求证:平面PAB⊥平面PAE.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/25b8c1ec-e5a2-4661-b2bb-39335139d0b4.png?resizew=148)
(1)求证:BD⊥平面PAC;
(2)若∠ABC=60°,求证:平面PAB⊥平面PAE.
您最近一年使用:0次
2021-01-08更新
|
1039次组卷
|
14卷引用:青海省西宁市城西区海湖中学2020-2021学年高二下学期开学数学试题
青海省西宁市城西区海湖中学2020-2021学年高二下学期开学数学试题(已下线)专题8.5 直线、平面垂直的判定及性质 (精讲)-2021年高考数学(文)一轮复习学与练江西省南昌市八一中学2020-2021学年高二下学期期末数学(文)试题贵州省黔西南州同源中学2020-2021学年高二下学期期末数学(文)试题四川省广安市武胜烈面中学校2021-2022学年高二10月月考数学(理)试题上海外国语大学闵行外国语中学2021-2022学年高二上学期期中数学试题广东省广州市新塘中学2021-2022学年高二上学期期中数学试题(已下线)上海高二上学期期中【常考60题考点专练】(2)四川省遂宁中学校2022-2023学年高二上学期期中考试数学(文)试题广东省梅州市丰顺县丰顺中学2022-2023学年高三上学期期末考试数学试题宁夏银川市三沙源上游学校2022-2023学年高一下学期期末考试数学试题甘肃省兰州市第五十八中学2023年普通高中学业水平合格性考试数学试卷(已下线)第10章 空间直线与平面(常考、易错必刷30题7种题型专项训练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)(已下线)期中真题必刷易错40题(17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(沪教版2020必修第三册)
解题方法
3 . 如图,在四棱锥
中,
是等边三角形,底面
是棱长为2的菱形,O是
的中点,
与
全等.
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718625981415424/2719970503589888/STEM/6a4a00ea-131c-4754-9466-74edc74b4076.png?resizew=263)
(1)证明:平面
平面
;
(2)求二面角
的正弦值.
![](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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e219878be67a3a6790a26636715c003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718625981415424/2719970503589888/STEM/6a4a00ea-131c-4754-9466-74edc74b4076.png?resizew=263)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33b7213d99a817bff19bcf740a0697c.png)
您最近一年使用:0次
2021-05-13更新
|
884次组卷
|
2卷引用:青海省西宁市大通回族土族自治县2021届高三二模数学(理)试题
解题方法
4 . 如图,在四棱锥
中,底面
为菱形,
,
,
分别是棱
,
,
的中点,且
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/495368c0-93c0-441e-8934-85442997d9e4.png?resizew=170)
(1)求证:
平面
;
(2)求证:平面
平面
.
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fff94ae7692477febffe53b03f06e0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/495368c0-93c0-441e-8934-85442997d9e4.png?resizew=170)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9abe6e8d1f4f1e8bdc46ddbae0cd789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d923a338dd2d2e29336b42574d38448.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78307cd417504554a4e2276fe24d1162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f129bc3e3b94149cbf6ac87effe863cc.png)
您最近一年使用:0次
名校
5 . 如图,在四棱锥
中,底面ABCD为正方形,
平面ABCD,
,M为PC上的点,且满足
.
![](https://img.xkw.com/dksih/QBM/2020/10/29/2581551622840320/2582932786528256/STEM/0450ed744e0f48f599d20eb9687b457b.png?resizew=274)
(1)求证:平面
平面PBC.
(2)求直线PB与平面ADM所成的角的正切值.
![](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/3b610c9b9948d88eda8de0fb8d1cf972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c1a03f93b56a1fb0b57d20d53b4323.png)
![](https://img.xkw.com/dksih/QBM/2020/10/29/2581551622840320/2582932786528256/STEM/0450ed744e0f48f599d20eb9687b457b.png?resizew=274)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb5012f6c70a1e98d682b6d021fadd8.png)
(2)求直线PB与平面ADM所成的角的正切值.
您最近一年使用:0次
2020-10-31更新
|
204次组卷
|
2卷引用:青海省海南藏族自治州高级中学2022-2023学年高一下学期期中考试数学试题
6 . 如图,在三棱锥
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6101853bc57c90c94ac553455a580710.png)
![](https://img.xkw.com/dksih/QBM/2021/1/25/2643909326340096/2645126644228096/STEM/9b2aad83-64f9-4769-8a7d-e53f52382314.png)
(1)证明:平面
平面
.
(2)在侧面
内求作一点H,使得
平面
,写出作法(无需证明),并求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6101853bc57c90c94ac553455a580710.png)
![](https://img.xkw.com/dksih/QBM/2021/1/25/2643909326340096/2645126644228096/STEM/9b2aad83-64f9-4769-8a7d-e53f52382314.png)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
(2)在侧面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39748bd3de9c56dfbe313e65645db6dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
您最近一年使用:0次
2021-01-27更新
|
697次组卷
|
6卷引用:青海省海东市2021届高三上学期第二次模拟考试数学(文)试题
7 . 如图,在三棱锥
中,
,
为
的中点,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/b6d09289-7678-467d-a1ae-472a35588591.png?resizew=201)
(1)证明:平面
平面
.
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e198ba74cc4b55e69c48941acb01f0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9c7cbcc38b28d45c8539710e5b260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338c6c83ab4abc895ac36ab888a55be6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/16/b6d09289-7678-467d-a1ae-472a35588591.png?resizew=201)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17580410bf63dba4fe164265afaac4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
您最近一年使用:0次
2020-12-02更新
|
792次组卷
|
2卷引用:青海省海东市2020-2021学年高三上学期第一次模拟考试数学(文)试题
8 . 如图,在三棱柱ABC-A1B1C1中,△ABC与△A1B1C1都为正三角形且AA1⊥面ABC,F、F1分别是AC,A1C1的中点.求证:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/cb4bd9df-93f7-4c70-a1ee-93c325c494d3.png?resizew=145)
(1)平面AB1F1∥平面C1BF;
(2)平面AB1F1⊥平面ACC1A1.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/cb4bd9df-93f7-4c70-a1ee-93c325c494d3.png?resizew=145)
(1)平面AB1F1∥平面C1BF;
(2)平面AB1F1⊥平面ACC1A1.
您最近一年使用:0次
2020-07-15更新
|
422次组卷
|
17卷引用:青海省海东市第二中学2018-2019学年高二上学期期中考试数学(文)试题
青海省海东市第二中学2018-2019学年高二上学期期中考试数学(文)试题2014-2015学年河北省成安县第一中学高一12月月考数学试卷甘肃省会宁县第一中学2017-2018学年高一上学期第二次月考(12月)数学试题山东省栖霞市第一中学2017-2018学年高一上学期期末测试数学试题【校级联考】湖南省醴陵二中、醴陵四中2018-2019学年高一上学期期末联考数学试题人教A版 全能练习 必修2 第二章 第三节 2.3.2 平面与平面垂直的判定广西南宁市“4 N”高中联合体2018-2019学年高一下学期期末数学试题海南省海南中学2018-2019学年高一下学期期末考试数学试题甘肃省兰州市联片办学2019-2020学年高一上学期期末数学试题人教A版(2019) 必修第二册 过关斩将 第八章 8.6 空间直线、平面的垂直 8.6.3 平面与平面垂直人教B版(2019) 必修第四册 过关斩将 第十一章 立体几何初步 11.4.2 平面与平面垂直福建省莆田市仙游县枫亭中学2019-2020学年高一上学期期末数学试题新疆石河子市第二中学2018-2019学年高一下学期期末数学试题甘肃省武威市第十八中学2019-2020学年高二下学期期中考试数学(文)试题江西省赣州市会昌县会昌中学2020-2021学年高二上学期第一次月考数学(理)试题河北省沧州市第三中学2019-2020学年高一下学期期末数学试题河北省唐山市遵化市2020-2021学年高二上学期期中数学试题
名校
解题方法
9 . 如图,在四棱锥
中,底面
为直角梯形,
,
,
,
,
,
分别为
和
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/86bc1359-aab4-44a7-948f-2fa8308de4b0.png?resizew=175)
(1)求证:
平面
;
(2)求证:平面
平面
.
![](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/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4795ee1f96b430529934e2231b38885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e306e30d3159e4a68435c3fcfc8da693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/86bc1359-aab4-44a7-948f-2fa8308de4b0.png?resizew=175)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c2b786c64e6a9ed2ec5670cde74f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee5a94f9063a71581f409e47ebaf602.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b81fb655624ff75a5eab94de9b8c8e9.png)
您最近一年使用:0次
2020-04-21更新
|
521次组卷
|
2卷引用:青海省海东市平安县第一高级中学2017-2018学年高二上学期期中考试数学(A卷)试题
解题方法
10 . 已知四棱锥
中,底面
为直角梯形,
平面
,且
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/38087b51-407c-454f-a63c-467b47f1af23.png?resizew=130)
(1)求证:平面
平面
;
(2)若
与平面
所成的角为
,求二面角
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/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ef9aa9e84f3c8e3264ae9fad7d37b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/38087b51-407c-454f-a63c-467b47f1af23.png?resizew=130)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1069d514c3c32aeabd274475ee209ed6.png)
您最近一年使用:0次
2020-05-03更新
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789次组卷
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6卷引用:青海省海东市2020-2021学年高三上学期第一次模拟考试数学(理)试题