1 . 如图,在四棱锥
中,
⊥平面
,正方形
的边长为
,
,设
为侧棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/3b4b1972-387a-4e1f-ba7f-9019f00d6f13.png?resizew=146)
(1)求四棱锥
的体积
;
(2)求直线
与平面
所成角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.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/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab2c27eac56fffa4cd7dbe1dcdf1a.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/2022/11/24/3b4b1972-387a-4e1f-ba7f-9019f00d6f13.png?resizew=146)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2022-11-23更新
|
532次组卷
|
8卷引用:上海市宝山区高境一中2018-2019学年高二下学期期中数学试题
名校
解题方法
2 . 已知四面体
(如图
的平面展开图(如图
中,四边形
为边长为
的正方形,
和
均为正三角形,在四面体
中:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/03ac9cd4-6c98-490e-a909-e1f4e3dd1c05.png?resizew=387)
(1)证明:平面
平面
;
(2)求二面角
的余弦值;
(3)在图1中作出直线
与平面
的所成角,并求出直线
与平面
的所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad217e26bd3580c35998109de14cef73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6830ebecddbd9759be626289c408e4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/03ac9cd4-6c98-490e-a909-e1f4e3dd1c05.png?resizew=387)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a438393ddfc7da1804baf4932442bb35.png)
(3)在图1中作出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4d781525777c7b5284dffc70b2a28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4d781525777c7b5284dffc70b2a28a.png)
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名校
解题方法
3 . 如图,在四棱锥P﹣ABCD中,底面是矩形,且AD=2,AB=PA=1,
平面ABCD,E,F分别是线段AB,BC的中点.
;
(2)求四棱锥P﹣ABCD的表面积;
(3)求直线PE与平面PFD所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb2fbbce7207d2b2bdd5c5ab61ecd04.png)
(2)求四棱锥P﹣ABCD的表面积;
(3)求直线PE与平面PFD所成角的大小.
您最近一年使用:0次
2022-11-20更新
|
651次组卷
|
7卷引用:上海市进才中学2021-2022学年高二上学期期中数学试题
上海市进才中学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【易错、好题、压轴60题考点专练】(2)上海市华东师范大学第三附属中学2021-2022学年高二上学期12月月考数学试题(已下线)10.3 直线与平面所成的角 (第4课时)(作业)(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020必修第三册)(已下线)第11章 简单几何体(压轴必刷30题专项训练)-【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)期中真题必刷压轴50题专练-【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)上海市崇明中学2023届高三下学期第一阶段练习数学试题
名校
4 . 如图,三棱柱
中,
,
,
,点M,F分别为BC,
的中点,点E为AM的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/ecc898ed-c182-4773-a131-9f844eda35bd.png?resizew=252)
(1)证明:
;
(2)证明:
平面
;
(3)求直线EF与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10d461a7c0b86a2f09c2ea17f38260e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9de9676ad1d41bd828a8fcbd100d940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/ecc898ed-c182-4773-a131-9f844eda35bd.png?resizew=252)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc0a886f1192d450ced9fd875e78425e.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06222ee533c2484ab25321a6abbf98cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(3)求直线EF与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
您最近一年使用:0次
2022-11-13更新
|
496次组卷
|
3卷引用:上海市曹杨第二中学2023-2024学年高二上学期10月月考数学试题
名校
5 . 如图,已知四边形ABCD为矩形,PD
底面ABCD,PD=DC=2AD=2,E是PC的中点,过E点作EF
PB交PB于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/927faa7f-16f1-4abb-a183-668422b3d1c5.png?resizew=162)
(1)求证:PA
平面EDB;
(2)求证:PB
ED;
(3)求BD与平面EFD所成角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/927faa7f-16f1-4abb-a183-668422b3d1c5.png?resizew=162)
(1)求证:PA
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
(2)求证:PB
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
(3)求BD与平面EFD所成角.
您最近一年使用:0次
名校
6 . 如图,在正三棱柱
中,
,异面直线
与
所成角的大小为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/d9016209-25ae-4175-b147-4d5fcd5b4341.png?resizew=193)
(1)求正三棱柱
的体积;
(2)求直线
与平面
所成角的大小.(结果用反三角函数值表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/d9016209-25ae-4175-b147-4d5fcd5b4341.png?resizew=193)
(1)求正三棱柱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
您最近一年使用:0次
2022-11-08更新
|
375次组卷
|
10卷引用:上海市金山中学2022-2023学年高二下学期期末数学试题
上海市金山中学2022-2023学年高二下学期期末数学试题(已下线)期末真题必刷压轴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(沪教版2020必修第三册)上海市实验学校2022届高三下学期开学考试数学试题上海市徐汇区2022届高三下学期二模数学试题上海市七宝中学2022届高三下学期3月月考数学试题上海市闵行(文绮)中学2024届高三上学期期中数学试题(已下线)专题15 立体几何(模拟练)-2(已下线)第19讲 立体几何初步-1(已下线)第19讲 立体几何初步-1(已下线)专题10立体几何初步必考题型分类训练-2
7 . 如图,PA⊥平面ABCD,ABCD为正方形,且PA=AD,E、F分别是线段PA、CD的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/01d158b1-c4bf-4ac1-b871-ff8944907e94.png?resizew=204)
(1)求EF和平面PAB所成的角α;
(2)求证:EF//平面PBC.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/01d158b1-c4bf-4ac1-b871-ff8944907e94.png?resizew=204)
(1)求EF和平面PAB所成的角α;
(2)求证:EF//平面PBC.
您最近一年使用:0次
名校
解题方法
8 . 已知在正三棱柱
中,
,点
、
分别为棱
、
的中点
.
(1)求直线
与平面
所成角的大小;
(2)求四面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f41d364b55d88688cd1f571ed231228.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/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/21a6db70-6b5f-44c3-91b2-77d83b48a92d.png?resizew=149)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
(2)求四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce90a191972ebaf07b2f80c2a6c263f.png)
您最近一年使用:0次
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解题方法
9 . 如图,已知正方体
的棱长为2,点
是棱
的中点.
![](https://img.xkw.com/dksih/QBM/2022/11/3/3101878167298048/3102546275999744/STEM/db616d61291a4c1eb5c839bad4bf930a.png?resizew=167)
(1)求异面直线
与
所成角的大小;
(2)求直线
与平面
所成的角的大小.(结果用反三角函数值表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/2022/11/3/3101878167298048/3102546275999744/STEM/db616d61291a4c1eb5c839bad4bf930a.png?resizew=167)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becf2941e15d668d93ea6ed980afd0ba.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becf2941e15d668d93ea6ed980afd0ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d0fba11e798168ad2e6d05215cf69b.png)
您最近一年使用:0次
10 . 已知圆锥的底面半径为3,沿该圆锥的母线把侧面展开后可得到圆心角为π的扇形.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/3e2bc6fd-dcd3-4f31-83d4-ceef96803cc5.png?resizew=117)
(1)求该圆锥的高;
(2)求圆锥的母线与底面所成角的大小.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/3e2bc6fd-dcd3-4f31-83d4-ceef96803cc5.png?resizew=117)
(1)求该圆锥的高;
(2)求圆锥的母线与底面所成角的大小.
您最近一年使用:0次