名校
解题方法
1 . 如图,在正四棱柱
中,
,
,E,F,G,H分别为棱
,
,
,
的中点.
(1)证明:E,F,G,H四点在同一个平面内;
(2)若点
在棱
上且满足
平面
,求直线
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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/21/70e52c63-520b-4e33-94f7-f20ca9d0f31e.png?resizew=138)
(1)证明:E,F,G,H四点在同一个平面内;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74827ace228023ae8bdf649a4517c3dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f96c673a2381f118ea2d3efc0bca1f3.png)
您最近一年使用:0次
2023-08-19更新
|
307次组卷
|
3卷引用:河南省“顶尖计划”2023-2024学年高中毕业班上学期第一次联考数学试题
名校
解题方法
2 . 如图,
平面
,四边形
是正方形,且
,试求:
(1)点
到
的距离;
(2)求异面直线
与
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39967d6f3aed6ce7b6643787795d451d.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/782cdbf4efecd6cd3e7b44abb6926af7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/1312acc5-b131-4198-9e90-bde57bbdf440.png?resizew=160)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
名校
解题方法
3 . 如图,已知
分别是正方体
的棱
的中点,且
与
相交于点
.
(1)求证:点Q在直线DC上;
(2)求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c2d86d8daea5e652d99fe1c6bc3f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb41385dd31506b71ea3b11a908671a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39addc1173a458af87ed5c5e3f06466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)求证:点Q在直线DC上;
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
您最近一年使用:0次
2023-12-28更新
|
632次组卷
|
5卷引用:上海市育才中学2023-2024学年高二上学期期中调研考试数学试卷
上海市育才中学2023-2024学年高二上学期期中调研考试数学试卷(已下线)专题8.9 空间角与空间距离大题专项训练-举一反三系列上海市杨浦高级中学2023-2024学年高二下学期3月月考数学试卷(已下线)专题18 空间两条直线的位置关系-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)第13章 立体几何初步 章末题型归纳总结 (1)-【帮课堂】(苏教版2019必修第二册)
名校
解题方法
4 . 如图,已知圆锥的顶点为P,底面圆心为O,高为3,底面半径为2.
(1)求该圆锥的侧面积;
(2)设
、
为该圆锥的底面半径,且
,
为线段
的中点,求直线
与直线
所成的角的大小.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/64f5a9d1-4f0e-4edf-ac29-ded58c8c8970.png?resizew=165)
(1)求该圆锥的侧面积;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e21aa38de80da8ccaa7ce51595e7bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
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5 . 如图,已知圆锥的底面半径
,经过旋转轴
的截面是等边三角形
,点
为半圆弧
的中点,点
为母线
的中点.
(1)求此圆锥的表面积和体积;
(2)求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8176754726d2194c890e80df1a1f1c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/12/84bc768b-bedf-4181-8965-178b14857a91.png?resizew=185)
(1)求此圆锥的表面积和体积;
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
您最近一年使用:0次
6 . 如图,在三棱锥
中,
,
,点M,N分别是
,
的中点
![](https://img.xkw.com/dksih/QBM/2023/11/9/3364256452608000/3365058891350016/STEM/afdec2e1e11947f0800dd2abd17d9b4d.png?resizew=202)
(1)求
的值;
(2)求异面直线
,
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88a4b27eb78bec148028a07fe5bf0b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341e8dae00f6b2abc94199ccfd6cf180.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/2023/11/9/3364256452608000/3365058891350016/STEM/afdec2e1e11947f0800dd2abd17d9b4d.png?resizew=202)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ae3468da652dbfb0a3fa1e6bbaab75.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
您最近一年使用:0次
7 . 如图,
是圆柱的一条母线,
是圆柱的底面直径,点C在圆柱下底面圆周上,
是线段
的中点.已知
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/333103ef-289a-4a3f-9e51-bff56aa0cdbc.png?resizew=146)
(1)求圆柱的侧面积;
(2)求
与
所成的角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc633603ce426facfd47d2bca6a90dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/333103ef-289a-4a3f-9e51-bff56aa0cdbc.png?resizew=146)
(1)求圆柱的侧面积;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
您最近一年使用:0次
名校
8 . 在如图所示的圆锥中,底面直径与母线长均为4,点C是底面直径
所对弧的中点,点D是母线
的中点.
(1)求该圆锥的侧面展开图的面积;
(2)求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/afdec9a1-4b4b-4c4c-b8fb-96fd68cde092.png?resizew=168)
(1)求该圆锥的侧面展开图的面积;
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
2023-11-07更新
|
157次组卷
|
2卷引用:上海市回民中学2023-2024学年高二上学期期中数学试题
9 . 如图,在正三棱柱
中,
,此三棱柱的体积为
,P为侧棱
上点,且
,H、G分别为AB、
的中点.
![](https://img.xkw.com/dksih/QBM/2023/11/3/3360088469741568/3361922927149056/STEM/df5a3e5641af4bd6be23709cfe777f4e.png?resizew=180)
(1)求此三棱柱的表面积;
(2)求异面直线
与
所成角的大小;
(3)求
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27567d43c5b91382ee3d7ca708ee422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98823cbc09ca52df1fbcc446eba3e44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://img.xkw.com/dksih/QBM/2023/11/3/3360088469741568/3361922927149056/STEM/df5a3e5641af4bd6be23709cfe777f4e.png?resizew=180)
(1)求此三棱柱的表面积;
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad3a1ea6790177130e16c2124984087.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad3a1ea6790177130e16c2124984087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
您最近一年使用:0次
10 . 在长方体
中,
,
,M、N分别是AD、DC的中点.
(1)求:棱锥
的体积;
(2)求:异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf30f379e6317e3b16a9bc6c8aacd5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/397b44d4-acfd-4a8d-b448-e6529b0b5a4c.png?resizew=186)
(1)求:棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010df4ca6f618ea64d3f91b2d9530822.png)
(2)求:异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
您最近一年使用:0次