2010·广东汕头·一模
名校
解题方法
1 . 如图,四棱锥
的底面是边长为1的正方形,侧棱
底面
,且
,E是侧棱
上的动点.
的体积;
(2)如果E是
的中点,求证:
平面
;
(3)是否不论点E在侧棱
的任何位置,都有
?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](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/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
(2)如果E是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb178784aa857d4d4683e650273f054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(3)是否不论点E在侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509d8dd6031dc0ef92075877e53fe201.png)
您最近一年使用:0次
2024-01-04更新
|
613次组卷
|
5卷引用:2017届北京市海淀区高三3月适应性考试(零模)文科数学试卷
2017届北京市海淀区高三3月适应性考试(零模)文科数学试卷(已下线)汕头市2009-2010学年度第二学期高三级数学综合测练题(理四)广东省2024年1月高中合格性学业水平考试模拟测试数学试题(三)(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)陕西省西安市西安中学2023-2024学年高二学考仿真考试数学试题
名校
解题方法
2 . 如图,四棱锥
中,底面
为矩形,
与平面
垂直,E为
的中点.
平面
;
(2)若
,
,
,求四棱锥
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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf2bc3dd1f1ae5d5e28b0366f454ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98823cbc09ca52df1fbcc446eba3e44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
您最近一年使用:0次
解题方法
3 . 如图,在四棱锥
中,底面
是矩形,
为棱
的中点,平面
与棱
交于点
.
为棱
的中点;
(2)若平面
平面
,
,△
为等边三角形,求四棱锥
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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3653ada76ba0c8afe9d57c8e7832c6ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bd042730e9c5cd736f5cb44ae57afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29ed30f17b5944e4afc66ab1d5f7394.png)
您最近一年使用:0次
2023-07-25更新
|
660次组卷
|
3卷引用:北京市丰台区2022-2023学年高一下学期期末考试数学试卷
北京市丰台区2022-2023学年高一下学期期末考试数学试卷【北京专用】专题12立体几何与空间向量(第一部分)-高一下学期名校期末好题汇编(已下线)专题06 空间中点线面的位置关系6种常考题型归类(1)-期期末真题分类汇编(北京专用)
名校
解题方法
4 . 如图,多面体ABCDEF中,四边形ABCD为矩形,二面角
为60°,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/76e45898-8d7f-45c8-a685-8e5c547ca9a9.png?resizew=219)
(1)求证:
;
(2)求直线DE与平面AEF所成角的正弦值.
(3)直接写出
的值,使得
,且三棱锥
的体积为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d76403bac26df50d934d93586f8a11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf42cbb7e9a2329db76033ab6c636f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbb52f9b226b1db3f6f9f055948bd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f1e80e44f107af592fc8fd96419ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56512504254ab7f574a717dd6830fb33.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/30/76e45898-8d7f-45c8-a685-8e5c547ca9a9.png?resizew=219)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dac702fe64edf1bc265da4b98cf2a0.png)
(2)求直线DE与平面AEF所成角的正弦值.
(3)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef39810b4871691bd3ef83220511e1ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/516cbee0393c294419a32b12922c80a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
您最近一年使用:0次
2023-03-29更新
|
1792次组卷
|
3卷引用:北京市八一学校2023届高三模拟测试数学试题
名校
5 . 在正四棱柱
中,
,M是
的中点.
(1)证明:
平面
.
(2)若正四棱柱的表面积是10,求该正四棱柱的外接球的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/17/efb386bc-36cb-49e0-b304-94795f1af3c0.png?resizew=115)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f11f1840eb8b17e7b07c3fe7e987a9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb304d905125170bebfada27e7ed8960.png)
(2)若正四棱柱的表面积是10,求该正四棱柱的外接球的体积.
您最近一年使用:0次
6 . 如图,在三棱柱
中,侧面
底面
,
为
中点,
,
.
![](https://img.xkw.com/dksih/QBM/2023/1/4/3145417246892032/3145578692788224/STEM/96d9957e4c3e46a4923ac048d8c83228.png?resizew=284)
(1)求证:
平面
;
(2)求证:平面
平面
;
(3)若
,求三棱柱
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0671b4776e142e17a79af5b3f0378ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9d5815dc775d5a5810fff0b016a8d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d43bb51f5ac9192f916f29dd70d466.png)
![](https://img.xkw.com/dksih/QBM/2023/1/4/3145417246892032/3145578692788224/STEM/96d9957e4c3e46a4923ac048d8c83228.png?resizew=284)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5ea494bb75a5c04e61c9e32aceabc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa2ee6ba41527b93357c3cd68dcaf1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40fa1aefcf2932ada04d146a0b8f0514.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
您最近一年使用:0次
7 . 如图,在四棱锥
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
,
,
,
,
,
.
是棱
上一点, ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/23/c8ba191c-0db1-4b91-9dce-7ebb2b0a6313.png?resizew=193)
(1)求证:
为
的中点;
(2)再从条件①、条件②这两个条件中选择一个作为已知,求四棱锥
的体积.
条件 ①:点
到平面
的距离为
;
条件 ②:直线
与平面
所成的角为
.
注:如果选择条件①和条件②分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a4b8b69b419c557ba61a2bdfaf4066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ce152ae4cea885a04e753b0d7378b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/23/c8ba191c-0db1-4b91-9dce-7ebb2b0a6313.png?resizew=193)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
(2)再从条件①、条件②这两个条件中选择一个作为已知,求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a4b8b69b419c557ba61a2bdfaf4066.png)
条件 ①:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
条件 ②:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
注:如果选择条件①和条件②分别解答,按第一个解答计分.
您最近一年使用:0次
2023-01-14更新
|
703次组卷
|
3卷引用:北京景山学校远洋分校2023届高三上学期1月期末综合检测数学试题
北京景山学校远洋分校2023届高三上学期1月期末综合检测数学试题(已下线)第12讲 第一章 空间向量与立体几何 章节验收测评卷(基础卷)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)河南省新乡市铁路高级中学2023-2024学年高二上学期第一次月考数学试题
真题
解题方法
8 . 在三棱锥
中,如图,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/3d2d1f56-ba32-4cca-b284-c5b57224c9fb.png?resizew=156)
(1)证明:
;
(2)求侧面
与底面
所成的二面角大小;
(3)求三棱锥的体积
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50864290147d7c808d69d83cb0f5e8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc4f3da376bd01ef33579e6eecc6f047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbb2f373c4ca5c4e7cf1a356392b03b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/3d2d1f56-ba32-4cca-b284-c5b57224c9fb.png?resizew=156)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8337d3e8670a9ed0165ac853b80af3d9.png)
(2)求侧面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21665d21bbfb04410c78345de1fd15ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(3)求三棱锥的体积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b04a4591698f4f2a472f7ed6088674.png)
您最近一年使用:0次
2022-11-09更新
|
518次组卷
|
3卷引用:2002年普通高等学校春季招生考试数学(文)试题(北京卷)
解题方法
9 . 如图,在正三棱柱
中,
分别为
的中点.
平面
;
(2)求证:
;
(3)若
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cca04b2a2b61d62a809776670a60c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3521d6f223a2d7f597f8613c4530dd1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64eb66e4fa5ca4231b8ce2490eeb192b.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c149b82af357a50136171e6af580e22.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6839d7091acc7842ffb39b81a67cafcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761b4d173f79916d180f3a17ef745d2d.png)
您最近一年使用:0次
2022-07-19更新
|
937次组卷
|
3卷引用:北京市顺义区2021-2022学年高一下学期期末数学试题
北京市顺义区2021-2022学年高一下学期期末数学试题内蒙古巴彦淖尔市衡越实验中学2022-2023学年高二上学期一诊考试理科数学试卷(已下线)专题06 空间中点线面的位置关系6种常考题型归类(1)-期期末真题分类汇编(北京专用)
解题方法
10 . 如图,在直三棱柱
中,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18a4d4a3fb952993a0f13a22ba325b5.png)
、
分别为
、
的中点.
为
上的点且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/0da07fda-a650-4ccf-bb33-113708c0247b.png?resizew=146)
(1)求证:
平面
;
(2)求证:
平面
;
(3)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16cfb38323095090b0fe5eee70b24210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18a4d4a3fb952993a0f13a22ba325b5.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/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf6b79e0f26b5746608613ac4bbd72d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/0da07fda-a650-4ccf-bb33-113708c0247b.png?resizew=146)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f96c673a2381f118ea2d3efc0bca1f3.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c27a8fd3bf5b89a16dbbe1a8230653c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
(3)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7086c28daef581df29f8c18406445001.png)
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2022-07-11更新
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3卷引用:北京市平谷区2021-2022学年高一下学期期末考试数学试题
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