名校
解题方法
1 . 在下列底面为平行四边形的四棱锥中,
是四棱锥的顶点或棱的中点(如图),则
平面
的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d943371405c0561cefd8280bba9aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72221ee5b504d596ff799c0b356aa0ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37cabd88fbfd4c27f7c5bc10827deb1d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-06-03更新
|
1299次组卷
|
12卷引用:四川省内江市威远中学2023-2024学年高二上学期第一次月考数学试题
四川省内江市威远中学2023-2024学年高二上学期第一次月考数学试题湖北省武汉市华中师范大学第一附属中学2023-2024学年高二下学期4月期中检测数学试题江西省南昌市2024届高三上学期摸底测试数学试题广东省广州市执信中学2024届高三上学期第二次月考数学试题(已下线)考点8 平行的判定与性质 2024届高考数学考点总动员江西省南昌市第二中学2024届高三上学期12月月考数学试题(已下线)第09讲 8.5.2 直线与平面平行-【帮课堂】(人教A版2019必修第二册)(已下线)13.2.3 直线与平面的位置关系(2)-【帮课堂】(苏教版2019必修第二册)(已下线)8.5.2 直线与平面平行【第二练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)第8.5.2讲 直线与平面平行-同步精讲精练宝典(人教A版2019必修第二册)(已下线)专题19 直线与平面的位置关系-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)6.4 .1 直线与平面平行-同步精品课堂(北师大版2019必修第二册)
名校
解题方法
2 . 设
是两个不同的平面,m,l是两条不同的直线,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2024-04-16更新
|
410次组卷
|
13卷引用:山东省济南市2023-2024学年高二上学期期末质量检测模拟数学试题
山东省济南市2023-2024学年高二上学期期末质量检测模拟数学试题福建省厦门双十中学2023-2024学年高二下学期开学考试数学试题2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题(已下线)2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题1-52024年九省联考试卷分析及真题鉴赏山东省青岛市第五十八中学2022-2023学年高一下学期5月阶段性模块考试数学试题专题10空间中点线面的位置关系(已下线)专题8.11 立体几何初步全章十四大压轴题型归纳(拔尖篇)-举一反三系列山西省临汾市2024届高三第二次高考考前适应性训练数学试题单元测试B卷——第八章?立体几何初步(已下线)第八章立体几何初步(单元测试)-【上好课】-(人教A版2019必修第二册)新疆乌鲁木齐市第二十三中学2023-2024学年高一下学期5月月考数学试题(已下线)核心考点5 立体几何中的位置关系 A基础卷 (高一期末考试必考的10大核心考点)
名校
解题方法
3 . 如图,在四棱锥
中,
面
,且
,
分别为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/c8482f3c-817c-4c24-8721-fc34280f59d9.png?resizew=171)
(1)求证:
平面
;
(2)在平面
内是否存在点
,满足
,若不存在,请简单说明理由;若存在,请写出点
的轨迹图形形状.
![](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/1bcf75eebbbc06b7571c869debc3db6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c98d5943239266fd56121a5a9e241ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1457d2e76a5b86de1abf121c51eb9d35.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/c8482f3c-817c-4c24-8721-fc34280f59d9.png?resizew=171)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06222ee533c2484ab25321a6abbf98cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)在平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2da5312b15f602fcb8c0ffe9ea57a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
2024高二上·江苏·专题练习
解题方法
4 . 如图,四边形
为正方形,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/b2afeb13-c88b-4a00-8f3b-7ac3b3518fd6.png?resizew=157)
(1)证明:平面
平面
;
(2)证明:
平面
.
![](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/133659fd88416259e3b99eaf5751b98d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541f54aae0dfb658ec0cd338e383cce0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/b2afeb13-c88b-4a00-8f3b-7ac3b3518fd6.png?resizew=157)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845b8505cb7b7b8df5753f52a4e00462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9111c8e64fc183a777dbe0e82c9202cd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb178784aa857d4d4683e650273f054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f9801c57f2a881a807c3e85fb012f3.png)
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5 . 在四棱锥
中,底面
为直角梯形,
,侧面
底面
,且
分别为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/9dd1c6bb-731a-4a7b-bd7f-f66d0c8fc966.png?resizew=173)
(1)证明:
平面
;
(2)若直线
与平面
所成的角为
,求平面
与平面
的夹角的余弦值.
![](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/68f0e48b7a6bb2836bffb57eaf2ff02d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cff0c5518491ce9abc22c94a329041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa713e7c111c50a3404e12303fd6e0d2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/9dd1c6bb-731a-4a7b-bd7f-f66d0c8fc966.png?resizew=173)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78172568aac9805d2ea2d5f742bf80c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
名校
6 . 如图,在四棱锥
中,四边形ABCD为平行四边形,
,在等腰直角
中,
,M为PD的中点,
.
平面BCP;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e87af82cf14c44a89b589edd29ba3ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983add910c8e09954f164a5e87d1f7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4002cada49bee853d7f1ddd49c9fca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9f38865b4f99742f2d04ac635b9fe2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280247d7df395bb9ea78c51e67b458d2.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb7851bac6e137a2aabd6484076e4ae.png)
您最近一年使用:0次
7 . 如图,在棱长为4的正方体
中,E,F,G分别为棱
的中点,点P为线段
上的动点(包含端点),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea120237d97fbdf4677b4120a01255b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408871c2b71ef88d6f556ce53cf73cc9.png)
A.存在点P,使得![]() ![]() | B.对任意点P,平面![]() ![]() |
C.两条异面直线![]() ![]() ![]() | D.点![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 如图,在四棱锥
中,底面
是边长为2的正方形,
面
,
,点E是棱
上一点(不包括端点),F是平面
内一点,则( )
![](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/5fcac3b256b269b824d8738bb081f8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
A.一定不存在点E,使![]() ![]() |
B.一定不存在点E,使![]() ![]() |
C.以D为球心,半径为2的球与四棱锥的侧面![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-03-06更新
|
324次组卷
|
3卷引用:浙江省临平萧山联考2023-2024学年高二上学期期末数学试题
9 . 三棱台
中,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/f38c4d30-e985-4518-b44a-3913408773b0.png?resizew=274)
(1)若
与
交于点
,求证:
平面
;
(2)若平面
平面
与底面
所成角的正切值为
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986ba572d8373df48c996f8c8611498c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5545dc3211671941048034af38092fa6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/f38c4d30-e985-4518-b44a-3913408773b0.png?resizew=274)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e341123522cf56a25b70cc794abc8d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf19a7f0dd0cdf59516ae585025110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5352d28609d1b3d09a0a29d023d1bb72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d53d01df4d50daeee72c77a739660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28d6477c85c5a4ac410a884e92fbe53.png)
您最近一年使用:0次
10 . 如图,在直四棱柱
中,
,
与
相交于点
,
,
为线段
上一点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/eb841b57-67e6-4e7b-a827-5af6172e5c70.png?resizew=183)
(1)求证:
平面
;
(2)求平面
与平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b6025e5e657a79745b981d2692f951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d128e70cf0a464073703b1ea4e18d999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc2d8c1df01a48f28f64c1ad368555f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/eb841b57-67e6-4e7b-a827-5af6172e5c70.png?resizew=183)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae7bf236e8637182a1553ce36bd9c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e975f6c9fafab8fd7639dc0cd0f70a4.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e975f6c9fafab8fd7639dc0cd0f70a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
您最近一年使用:0次