名校
解题方法
1 . 如图,在四棱锥
中,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/10/77f0ef14-6bcd-4653-9638-91b27200afd9.png?resizew=226)
(1)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
平面
,证明:点
为棱
的中点;
(2)已知二面角
的大小为
,当平面
和平面
的夹角为
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0998d16d7bf13acae5bfb9b8de55ca04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d5ff57f147aa0628fdd47899b5a132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/10/77f0ef14-6bcd-4653-9638-91b27200afd9.png?resizew=226)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
(2)已知二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f479b251fdb01bae6d16abb7f2d694a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6943f158bf2f76abed0c58196dbe0bc5.png)
您最近一年使用:0次
2023-04-10更新
|
471次组卷
|
3卷引用:江西省吉安市2023届高三模拟测试数学(理)(一模)试题
名校
解题方法
2 . 如图,在三棱柱
中,
是边长为4的正方形,平面
平面
,
,
,点
是
的中点,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/a220b539-d15b-4fc6-9a79-067aec354190.png?resizew=134)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
平面
;
(2)求证:
平面
;
(3)证明:在线段
上存在点
,使得
.并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/a220b539-d15b-4fc6-9a79-067aec354190.png?resizew=134)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea55a7e39361987096953d3a3ee1eaa4.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26d8a9d64ad3c8cba28840b41ed7837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea848cd2aa3a464618020475097949fc.png)
(3)证明:在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84a436704964dc76f16c2c23665ab3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04c68f1ef1e37534b5bbc7a1f592ef7.png)
您最近一年使用:0次
2022-12-04更新
|
709次组卷
|
2卷引用:江西省南昌市外国语学校2022-2023学年高二上学期期末考试数学试题
3 . 如图, 在三棱锥
中,已知
是正三角形,
平面
,
,
为
的中点,
在棱
上,且
.
![](https://img.xkw.com/dksih/QBM/2022/9/5/3060015452348416/3063671285252096/STEM/2cc7e3148cd74b618f4f9f093327b8b8.png?resizew=248)
(1)求三棱锥
的体积;
(2)求证:平面
平面
;
(3)若
为
中点, 是否存在
在棱
上,
,且
平面
? 若存在,求
的值并说明理由;若不存在,给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d150134e5018f74fc4e8a016ced5f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457eb716c608c6b4fb6e91c8fc2ed163.png)
![](https://img.xkw.com/dksih/QBM/2022/9/5/3060015452348416/3063671285252096/STEM/2cc7e3148cd74b618f4f9f093327b8b8.png?resizew=248)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17580410bf63dba4fe164265afaac4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18da88f27cc36dbf1d01bcea7341bc37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf19a7f0dd0cdf59516ae585025110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/134ef0b1a2669a09f05bd4dc2496f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解题方法
4 . 在如图所示的几何体中,侧面
为正方形,底面
中,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/9aa4885b-d99d-4fd5-beec-e97d9b1aabd3.png?resizew=190)
(1)求证:
平面
;
(2)线段
上是否存在点
,使
平面
?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679a911235fae7f028966b57f150ddee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4020513c097ba34df4b42e297f892cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5867254f6e74a3e31237279cd481f6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/9aa4885b-d99d-4fd5-beec-e97d9b1aabd3.png?resizew=190)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e51817ee1ebf17c73ed21171bcfc5b5.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a162b0af925d3b18d0f7e2c3b32dcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4291a7c647aaf6d00e48bed030b48c.png)
您最近一年使用:0次
解题方法
5 . 如图,棱柱
,侧面
为正方形,在底面
中,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/12/9/2610717807640576/2611735001669632/STEM/bf05c82c1b8c43e7be2b827f906681b0.png?resizew=170)
(1)求证:
平面
;
(2)线段
上是否存在点
,使
平面
?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a614425dab3c66ab72f2ded51acf2254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679a911235fae7f028966b57f150ddee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4020513c097ba34df4b42e297f892cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5867254f6e74a3e31237279cd481f6.png)
![](https://img.xkw.com/dksih/QBM/2020/12/9/2610717807640576/2611735001669632/STEM/bf05c82c1b8c43e7be2b827f906681b0.png?resizew=170)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e51817ee1ebf17c73ed21171bcfc5b5.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c259ae82d599c5dd81a898acf0c6ff9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4291a7c647aaf6d00e48bed030b48c.png)
您最近一年使用:0次
名校
解题方法
6 . 已知四棱台
的下底面是边长为4的正方形,
,且
面
,点
为
的中点,点
在
上,
,
与面
所成角的正切值为2.
![](https://img.xkw.com/dksih/QBM/2020/9/15/2550218503725056/2550300162277376/STEM/0caa19b9a94e48b4a6b246b07e1e9582.png?resizew=166)
(1)证明:
面
;
(2)求证:
面
,并求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc862687ca2b31b20dd37eb5375cae6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2020/9/15/2550218503725056/2550300162277376/STEM/0caa19b9a94e48b4a6b246b07e1e9582.png?resizew=166)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72221ee5b504d596ff799c0b356aa0ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b7b7793d29d66dfdd89e7a6564a35c.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4560fa4ad459b58b723c74bd24e51ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17d161e3544bd232097414a4285758a.png)
您最近一年使用:0次
名校
解题方法
7 . 如图1,在等腰梯形
中,
,
,
,
,E、F分别为腰
、
的中点.将四边形
沿
折起,使平面
平面
,如图2,H,M别线段
、
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/9066276c-44d7-477f-a965-e155543e93ed.png?resizew=413)
(1)求证:
平面
;
(2)请在图2所给的点中找出两个点,使得这两点所在直线与平面
垂直,并给出证明:
(3)若N为线段
中点,在直线
上是否存在点Q,使得
面
?如果存在,求出线段
的长度,如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744c636a21ef089c9239eeafff4b83ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369eb8ad56da7dc1cdb7c43762be4bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/9066276c-44d7-477f-a965-e155543e93ed.png?resizew=413)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a984e08781547575be9680e8c61bb21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d4b05a1402beb3f13d4ce7d22089b9.png)
(2)请在图2所给的点中找出两个点,使得这两点所在直线与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e769f81c1b5a405e2e7eb78f199f9e6e.png)
(3)若N为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d42170c7d4249f6b390823606c18c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a158113467436c24c6db00f058cf91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e769f81c1b5a405e2e7eb78f199f9e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3171b3d11c6f4619e189677345357508.png)
您最近一年使用:0次
2020-11-02更新
|
1349次组卷
|
4卷引用:江西省抚州市黎川县第一中学2020-2021学年高一下学期期末数学(理)试题
8 . 如图所示,四棱锥
的底面是边长为1的正方形,侧棱
底面
,且
,
是侧棱
上的动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/86e5f5dd-6996-4e35-91f7-aa55bb982633.png?resizew=170)
(1)求四棱锥
的体积;
(2)如果
是
的中点,求证:
平面
;
(3)不论点
在侧棱
的任何位置,是否都有
?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/8fd3eb538f36e6e722e4ce125266b99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/86e5f5dd-6996-4e35-91f7-aa55bb982633.png?resizew=170)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6d1ac6e00b74a1218fec878b15cf54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(3)不论点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](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
2019-12-12更新
|
154次组卷
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2卷引用:江西省吉安市(吉安县三中、泰和二中、安福二中、井大附中 )2021-2022学年高二上学期期中考试数学(理)试题
9 . 如图,在三棱柱ABC−
中,
平面ABC,D,E,F,G分别为
,AC,
,
的中点,AB=BC=
,AC=
=2.
(2)求二面角B−CD−C1的余弦值;
(3)证明:直线FG与平面BCD相交.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8bfe2553e852df73185d017c0a62fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
(2)求二面角B−CD−C1的余弦值;
(3)证明:直线FG与平面BCD相交.
您最近一年使用:0次
2018-06-09更新
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14805次组卷
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35卷引用:【全国百强校】江西省南昌市第十中学2017-2018学年高二下学期期末考试数学(理)试题
【全国百强校】江西省南昌市第十中学2017-2018学年高二下学期期末考试数学(理)试题2018年全国普通高等学校招生统一考试理科数学(北京卷)(已下线)2018年高考题及模拟题汇编 【理科】5.立体几何北京市2019届高三数学理一轮复习典型题专项训练:立体几何【全国百强校】山西省祁县中学2018-2019学年高二上学期期末模拟一考试数学(理)试题四川省棠湖中学2018-2019学年高二上学期期末考试数学(理)试题(已下线)专题8.6 空间向量及空间位置关系(练)【理】-《2020年高考一轮复习讲练测》(已下线)专题8.6 空间向量及空间位置关系(讲)【理】-《2020年高考一轮复习讲练测》江苏省徐州市侯集高级中学2019-2020学年高二上学期期末数学试题2020届北京市昌平区新学道临川学校高三上学期第三次月考数学(理)试题2020届北京市昌平区新学道临川学校高三上学期第三次月考数学(文)试题(已下线)专题06 立体几何(解答题)——三年(2018-2020)高考真题理科数学分项汇编(已下线)专题17 立体几何综合-五年(2016-2020)高考数学(理)真题分项山西省山西大学附中2019-2020学年高二(12月份)第四次诊断数学(理科)试题(已下线)专题8.6 空间向量及其运算和空间位置关系(精讲)--2021年高考数学(理)一轮复习讲练测(已下线)专题8.6 空间向量及其运算和空间位置关系(精讲)-2021年高考数学(理)一轮复习学与练(已下线)专题4.4 空间向量与立体几何-2021年高考数学解答题挑战满分专项训练(新高考地区专用)四川省成都市双流区棠湖中学2018-2019学年高二上学期期末数学(理)试题云南省昭通市昭阳第一中学2020-2021学年高一12月月考数学(理)试题北京市第四十三中学2020-2021学年高二下学期第一次月考数学试题(已下线)专题10 立体几何-五年(2017-2021)高考数学真题分项(新高考地区专用)(已下线)第37讲 立体几何中的向量方法 (讲) — 2022年高考数学一轮复习讲练测(课标全国版)福建省泉州科技中学2021-2022学年高二上学期第一次月考数学试题北京市昌平区第一中学2021-2022学年高二上学期期中考试数学试题北京市景山学校2021-2022学年高二上学期期中考试数学试题辽宁省沈阳市五校协作体2021-2022学年高二上学期期中数学试题北京市第九中学2022届高三12月统练(月考)数学试题(已下线)专题8.7 立体几何中的向量方法(练)【理】-《2020年高考一轮复习讲练测》(已下线)专题24 空间向量与空间角的计算-十年(2011-2020)高考真题数学分项(已下线)重组卷03北京外国语大学附属中学2022届高三模拟数学试题北京十年真题专题07立体几何与空间向量北京市第一零一中学2023-2024学年高三上学期数学统练五云南省大理白族自治州民族中学2023-2024学年高二下学期5月期中数学试题专题09立体几何与空间向量(第二部分)
10 . 如图,在四棱锥
中,
是正方形,
平面
.
,
,
,
分别是
,
,
的中点.
(1)求证:平面
平面
.
(2)在线段
上确定一点
,使
平面
,并给出证明.
![](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/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99926bf272cd757f0985c69b390ebcce.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7ed2ad0f3b104a54bc7fdc3739c2a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d8073385db872410ca88187bbb0d34.png)
![](https://img.xkw.com/dksih/QBM/2017/11/3/1809205224898560/1810620240232448/STEM/a04cc14aa5324ebb840072ef8554bc98.png?resizew=298)
您最近一年使用:0次
2017-11-05更新
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728次组卷
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3卷引用:江西省赣州市寻乌中学2019-2020学年高二上学期第一次段考数学(理)试卷