名校
1 . 如图,
底面
,
底面
,四边形
是正方形,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/440b2526-ff1d-43d2-b766-111902feb3ef.png?resizew=145)
(1)证明:
平面
;
(2)求直线
与平面
所成角的正切值.
![](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/e7a38e6c6dfde2b19b6b47f35a439a06.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/4e975fa87eb6a9c2fe19a943cefee808.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/440b2526-ff1d-43d2-b766-111902feb3ef.png?resizew=145)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063510e3c1fb6a7ccc3b8e3e3c7d660e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4d781525777c7b5284dffc70b2a28a.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/422210c777ac0d625bbd81cc7601bf9b.png)
您最近一年使用:0次
2023-01-15更新
|
717次组卷
|
4卷引用:广东省广州市2022-2023学年高二上学期期末数学试题
广东省广州市2022-2023学年高二上学期期末数学试题广西桂林市荔浦县荔城中学2022-2023学年高二上学期期末考试数学试题安徽省马鞍山市第二中学2022-2023学年高二下学期开学考试数学试题(已下线)模块五 专题1 期末全真模拟(基础卷1)高二期末
2 . 下列说法中正确的有( )
A.垂直于同一个平面的两条直线平行 |
B.过空间一定点有且只有一条直线和已知平面垂直 |
C.直线上有两点到平面的距离相等,则此直线与平面平行 |
D.如果一条直线垂直于一个平面内的无数条直线,那么这条直线和这个平面垂直 |
您最近一年使用:0次
名校
解题方法
3 . 已知平面
,直线
,且有
,
,给出下列命题:①若
,则
;②若
,则
;③若
,则
;④若
,则
.其中正确命题有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ccc19a183b9ce7f82d2609a14b9a43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e380108ba2cf04e68a5a9393d2b921c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f157205cb5cb4a538b09d989f2d9ae95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b303b1f07604f5303aea94df7f0518e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b51870b823df847741bd7a3e37b639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b51870b823df847741bd7a3e37b639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b303b1f07604f5303aea94df7f0518e9.png)
A.①④ | B.①② | C.②③ | D.③④ |
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名校
4 . 已知直线
不共面,那么
与
在平面上的投影不可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.两条平行线 | B.两条相交直线 |
C.一直线一个点(点不在直线上) | D.两个点 |
您最近一年使用:0次
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解题方法
5 . 已知正方体
中,
,点P在平面
内,
,求点P到
距离的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae7f4612c548b1f72a964ddb291cd2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3765296ff6363e6a2321d236dbae5da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
您最近一年使用:0次
2023-01-31更新
|
300次组卷
|
3卷引用:上海市位育中学2022-2023学年高二上学期期末数学试题
名校
6 . 如图,水平面上摆放了两个相同的正四面体
和
.
![](https://img.xkw.com/dksih/QBM/2022/9/4/3059199429361664/3064047428567040/STEM/515b632b45ab4b45bb333ed78ee0fb67.png?resizew=263)
(1)求证:
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6d7e887348f80fda1e157e0222573d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a009fe059af6b399cb5c49839a0511.png)
![](https://img.xkw.com/dksih/QBM/2022/9/4/3059199429361664/3064047428567040/STEM/515b632b45ab4b45bb333ed78ee0fb67.png?resizew=263)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84733f9dc908ceb11459cc2aed580ab.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc68a5aae30ffbb3ce72b675c6e9975.png)
您最近一年使用:0次
2022-09-11更新
|
749次组卷
|
3卷引用:江西省南昌市2023届高三上学期摸底测试(零模)数学(理)试题
解题方法
7 . 已知正三棱柱
的各个棱长均为2,其外接球的球心为O,以O为球心,以
为半径的球面与侧面
的交线的长度为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
您最近一年使用:0次
2023高三·全国·专题练习
解题方法
8 . 圆柱
如图所示,
为下底面圆的直径,
为上底面圆的直径,
底面
,证明:
面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5928c98b341b16d4b5a5b931d2929d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f475878dd1b32b0486cbf7b5ffbedd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
您最近一年使用:0次
2023高三·全国·专题练习
解题方法
9 . 如图,已知多面体
,
平面
平面
,且
,证明:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4c3f9dd5d0343597a7f58a1989b537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a6b507bfde28bba729352d6fcb925d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b8eec9376f6e6a314da534b095f090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f81fa367ec317fe2a30142e1c30cce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926584088b939200d88e64318f2d4e6c.png)
您最近一年使用:0次
2023高三·全国·专题练习
解题方法
10 . 如图(1),在梯形
中,
且
,线段
上有一点E,满足
,
,现将
,
分别沿
,
折起,使
,
,得到如图(2)所示的几何体,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4aa43d2e64e857267e706e1f50f5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2632e52de4f858c3e36772b16da0fde3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72e543ab8584eee527a13ce394be7d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88dac2c17c765517c2163ab43bbe1038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e530783dc49238736ed5c1157e6184dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9ad150cb1e4cd8977d4cc3d99be17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4aa43d2e64e857267e706e1f50f5c5.png)
您最近一年使用:0次
2022-08-20更新
|
1053次组卷
|
13卷引用:7.1 空间几何中的平行(精讲)
(已下线)7.1 空间几何中的平行(精讲)(已下线)7.1 空间几何中的平行(精练)(已下线)7.1 空间几何中的平行与垂直(精讲)(已下线)7.1 空间几何中的平行与垂直(精练)(已下线)8.6.2直线与平面垂直的性质定理(第2课时)(精讲)(1)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)8.6.2 直线与平面垂直(精讲)(已下线)专题8.11 空间直线、平面的垂直(一)(重难点题型精讲)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)(已下线)第13讲 8.6.2直线与平面垂直的性质定理 (第2课时)-【帮课堂】(人教A版2019必修第二册)(已下线)专题7.2 空间中的位置关系【十大题型】(已下线)8.6.1直线与平面垂直(已下线)8.6.2 直线与平面垂直-同步题型分类归纳讲与练(人教A版2019必修第二册)(已下线)6.5.1直线与平面垂直-【帮课堂】(北师大版2019必修第二册)(已下线)11.4.1直线与平面垂直-同步精品课堂(人教B版2019必修第四册)