名校
1 . 如图所示,在长方体
中,
,
,
为线段
上一点.
;
(2)当
为线段
的中点时,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ccdd87b7ea0667fb405c305c6a497a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
2020-11-30更新
|
520次组卷
|
3卷引用:2015-2016学年广东省广州市执信等四校联考高二上期末文科数学试卷
2015-2016学年广东省广州市执信等四校联考高二上期末文科数学试卷河北省尚义县第一中学2020-2021学年高二上学期期中数学试题(已下线)专题06 空间直线﹑平面的垂直(一-《知识解读·题型专练》(人教A版2019必修第二册)
2 . 在如图所示的几何体中,四边形
为平行四边形,
,
面
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06222ee533c2484ab25321a6abbf98cb.png)
,
,
,
,且
是
的中点.
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572982276415488/1572982282076160/STEM/9990207f006e41d68c6963c110e30b95.png)
(1)求证:
平面
;
(2)求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471d4b24f6d4b71c9405e9858a4ebf2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577787beed2a9c26ec335a1f236a4d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06222ee533c2484ab25321a6abbf98cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de927f7e512ea6302e38ef1b453e58c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79e808981469f646d0dbb2a820e8829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572982276415488/1572982282076160/STEM/9990207f006e41d68c6963c110e30b95.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0285afe567ca0b32f0ccafc30167cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa3254460ecbacecb3e57c5dce227f4.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23f9dc23cde7536070504365ff16c9b.png)
您最近一年使用:0次
2016-12-04更新
|
361次组卷
|
2卷引用:2015-2016学年广东广州执信中学高二下期末理科数学试卷
3 . 如图,在三棱柱
中,
平面
,
为正三角形,
,
为
的中点.
(1)求证:平面
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565517c781e119de8d8e9c9f29e4e2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f7d9ac3c0e60f1419dc90a37ff731b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53997d627b71f60a18b770e44bb21515.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572975647375360/1572975653691392/STEM/b1ad90df07ff449792f0c018c44c33ab.png?resizew=154)
您最近一年使用:0次
2016-12-04更新
|
672次组卷
|
5卷引用:2017届广东省惠州市高三第一次调研文科数学试卷
4 . 如图,直角三角形
中,
,沿斜边
上的高
,将
折起到
的位置,点
在线段
上.
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572970456940544/1572970463264768/STEM/abdf6d23b46e47cf93fac111e4b9c86d.png)
(1)求证:
;
(2)过点
作
交
于点
,点
为
中点,若
平面
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94507394a55f53494bf44d5116f7a198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da95ecece2225aeaa4fd2ea84dc61753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ae08153d099dcdcae16194e2fffc0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572970456940544/1572970463264768/STEM/abdf6d23b46e47cf93fac111e4b9c86d.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93fb7b30592e38fb91f5342cd7a71849.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced90ea9183e02e54da78709e3cb9169.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f79db7c270b6ff9fb0a538ee201cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193b5b41994c2a4dfa5bb0bc984061cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7558aa5068ceb3d3a35bf56422418dea.png)
您最近一年使用:0次
5 . 如图所示的长方体
中,底面
是边长为
的正方形,
为
与
的交点,
,
为线段
的中点.
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/c4c0dc5bdad147c188be90a2fe352233.png)
(1)求证:
平面
;
(2)求三棱锥
的体积.
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/a4625ff0e63344738c1115e0413ad10c.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/367ae09227b44c2c805c556040db89a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/072f6d1b7a814b5f8694a4014f3b304d.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/b5496cf7f1794d58969f0b16feaa0204.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/4b44a9eea3da451fad75ae7fbab320e5.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/b119ee960e2b4e6ab783f5412fa24654.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/ad2e74fad5af46c194b6c703b014e274.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/8f50f64be8ff48b3a262d73f51fa7f66.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/c4c0dc5bdad147c188be90a2fe352233.png)
(1)求证:
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/edc67707ab0848be88102a2869007e39.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/7580a52f8fcf48e2afb2a019198df8fa.png)
(2)求三棱锥
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572259713720320/1572259719913472/STEM/565c676a00cf478294b59718e8c686c2.png)
您最近一年使用:0次
名校
解题方法
6 . 如图,在四棱锥
中,底面
是菱形,
,
平面
,
,点
,
分别为
和
的中点.
![](https://img.xkw.com/dksih/QBM/2015/5/11/1572098230026240/1572098236104704/STEM/18193688dfd64cb1a6b8ac4a5318a3be.png?resizew=243)
(1)求证:直线
∥平面
;
(2)求三棱锥
的体积.
![](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/fa3f4f259d60ade01bd9bf6632238e39.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/b624742fe28db114e0554c6c87bff05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/2015/5/11/1572098230026240/1572098236104704/STEM/18193688dfd64cb1a6b8ac4a5318a3be.png?resizew=243)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf12905647aeeded72bbca21a63f319.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90da0522dd9378bab25de2f560aec563.png)
您最近一年使用:0次
2016-12-03更新
|
918次组卷
|
5卷引用:2017届广东海珠区高三上学期调研测试一数学文试卷
7 . 如图,三棱柱ABC—A1B1C1的侧面AA1B1B为正方形,侧面BB1C1C为菱形,∠CBB1=60°,AB⊥B1C.
(1)求证:平面AA1B1B⊥平面BB1C1C;
(2)若AB=2,求三棱柱ABC—A1B1C1的体积.
(1)求证:平面AA1B1B⊥平面BB1C1C;
(2)若AB=2,求三棱柱ABC—A1B1C1的体积.
![](https://img.xkw.com/dksih/QBM/2014/5/20/1571731454509056/1571731460112384/STEM/b67fbabac1af46fcb426f291a9071c90.png)
您最近一年使用:0次
2016-12-03更新
|
476次组卷
|
3卷引用:2016届广东省广州实验中学高三上学期第二次段文科考数学试卷
2012·福建福州·一模
名校
8 . 如图,圆
与
轴相切于点
,与
轴正半轴相交于
两点(点
在点
的下方),且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/9f1e1599-2835-4ff8-ad46-aed81e934d71.png?resizew=167)
(1)求圆
的方程;
(2)过点
任作一条直线与椭圆
相交于两点
,连接
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6614916203fe0146d6797138da3db4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.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/cbc5931d25e50c27e61e78347f9370e6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/9f1e1599-2835-4ff8-ad46-aed81e934d71.png?resizew=167)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c763113a1fc48e8acc83787b8cd24eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729cf1d18cbb0ff509b51be7c445c34e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5ce23462dfd28929430b74b9590940.png)
您最近一年使用:0次
2016-12-01更新
|
1801次组卷
|
21卷引用:2015-2016学年广东广州执信中学高二下期末文科数学试卷
2015-2016学年广东广州执信中学高二下期末文科数学试卷2016届山西省康杰中学等校高三上学期第二次联考文科数学试卷2016届江西省高安中学等九校高三下学期联考文科数学试卷(已下线)2012届福建省福州市高三综合练习理科数学试卷(已下线)2012届福建省福州市高三综合练习文科数学试卷2015届陕西西北工业大学附中高三下学期四模考试理科数学试卷2015届陕西西北工业大学附中高三下学期四模考试文科数学试卷2017届甘肃高台县一中高三文上学期检测五数学试卷2017届甘肃省高台县第一中学高三上学期期末考试文数试卷2017届湖北省黄冈市高三3月份质量检测数学(文)试卷2017届湖北省黄冈市高三3月份质量检测数学(理)试卷2017届宁夏中卫市高三第二次模拟考试数学(文)试卷甘肃省武威第二中学2018届高三上学期期末考试数学(文)试题【全国校级联考】峨眉山市第七教育发展联盟2018届高考适应性考试文科数学试题【校级联考】新余四中、上高二中2019届高三第一次联考数学(文)试题【市级联考】湖南省衡阳市2019届高三下学期第一次联考数学(文)试题【全国百强校】湖南省衡阳市第一中学2018-2019学年高二下学期第一次月考数学(文)试题上海市延安中学 2018-2019学年高二上学期期末数学试题2019届湖南省衡阳市高三第一次模拟文科数学试题河南省焦作市第一中学2022-2023学年高二下学期期中数学试题湖南省长沙市雅礼中学2024届高三下学期月考(七)数学试题
9 . 如图,四棱锥
中,
,
,
,
,侧面
为等边三角形.
![](https://img.xkw.com/dksih/QBM/2016/8/24/1572989027606528/1572989033758720/STEM/ca99492070a945e6b67f820290d45cd8.png)
(1)证明:
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5aa0d36da718de7c50a781b8e2bb8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe769bb9c0c0b9ab500f925e77710941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578b8b2e929abc6e2fb4843cfb63e5a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
![](https://img.xkw.com/dksih/QBM/2016/8/24/1572989027606528/1572989033758720/STEM/ca99492070a945e6b67f820290d45cd8.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74fd722fb39ff555af13c678ac683477.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882c90e28b53511601de1f63cb7ec2c0.png)
您最近一年使用:0次
2016-12-04更新
|
390次组卷
|
3卷引用:2017届广东海珠区高三上学期调研测试一数学理试卷
10 . 如图,四棱柱
的底面
是菱形,
,
底面
,
.
![](https://img.xkw.com/dksih/QBM/2016/4/6/1572568078196736/1572568084013056/STEM/b11fec0fb8a04f5985123dc2069e72b2.png?resizew=353)
(1)证明:
平面
;
(2)若
,求点
到平面
的距离.
![](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/a23f01af749100e1888bba06268843db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e5981445b6f2a6c58974158d96a4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92105835f8075cb75dff244e908370b5.png)
![](https://img.xkw.com/dksih/QBM/2016/4/6/1572568078196736/1572568084013056/STEM/b11fec0fb8a04f5985123dc2069e72b2.png?resizew=353)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5928c98b341b16d4b5a5b931d2929d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077bd9530ff11b780d01f8c87d6caa54.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6906f59d09ce31956d6f5ea2b23fc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7e524de0f5d99fbd82f58d28dd4219.png)
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2016-12-04更新
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3卷引用:2016届广东省广州市普通高中毕业班综合测试一文科数学试卷