名校
解题方法
1 . 如图,半圆的半径为2,点
四等分半圆,点
分别是
上的点,将此半圆以
为母线卷成一个圆锥,使得
,且平面
平面
.
;
(2)若平面
平面
,证明:
;
(3)求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d1fdf1d417bf19e377e44d279014d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c031952601f5e4f1837f2c281720fbec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23f01af749100e1888bba06268843db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab003bd4e9f03fba43e8080fe6b78637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3066befa5750964166ddc008f247b13.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eba5fdef34d2cf7a0154a40da87128b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902d22410708695a5822daa3c672494c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7218869e4014b0f5bba8822e5f8a16.png)
(3)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e2f55dceec60d80332d4f787372d2b.png)
您最近一年使用:0次
2 . 如图,
平面
,
在平面
的同侧,
,
,
,
.
四点在同一平面内,求线段
的长;
(2)若
,平面
与平面
的夹角为
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4c3f9dd5d0343597a7f58a1989b537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/947831ad9ba74ab7524ddb9b79db94a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fafc34fc5482fe95153ee326014609d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006edc5df757af827229825c3c53f708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95681b6b2e6ed5dfafb422e1696a146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d9d486b7f91ba933210dd013a7f2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
您最近一年使用:0次
名校
解题方法
3 . 如图所示,正方体
的棱长为
分别为
的中点,点
满足
.
,证明:
平面
;
(2)连接
,点
在线段
上,且满足
平面
.当
时,求
长度的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b684d2e78a0eb1b406913f2730e1d226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef1fc63360a6da2e076505f1fc2dbd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a151755a39b4209e75645d39a8427af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8badfeb9e7556486e02ab60df4dd32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43713ea7ad8151c6d035f9c7c63996d0.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417546ea1b98d330624f1eb50e1dc54c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c1778e7c419cb37224a753264666ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebbfe5e1e3a23269101ae0e9b05a3fe.png)
您最近一年使用:0次
2024-05-31更新
|
483次组卷
|
3卷引用:浙江省杭州第二中学2023-2024学年高一下学期期中考试数学试卷
浙江省杭州第二中学2023-2024学年高一下学期期中考试数学试卷(已下线)6.4.1直线与平面平行-【帮课堂】(北师大版2019必修第二册)河北省邯郸市大名县第一中学2023-2024学年高一下学期5月月考数学试卷
4 . 在五面体
中,
,
,
,
,
,
,平面
平面
.
,并求出
,
之间的距离;
(2)求出平面
和平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccebb747ecf3be28c4e738ac805fa10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856e8dc5903774a95bd29dcc2c9877bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613dedf2d90e58591b7ac4a250ac7b5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f94ab32614c7ec18fd8a7549d712d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b0bdbac7874fc0784ae7dfc33e6b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e3f834d569575e10b7b7af40ff4548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5352d28609d1b3d09a0a29d023d1bb72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61510c34c5795d7261569b4d09098271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b60d6c714e4858faa5395f1681a8328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
(2)求出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebce46aeb97373353179e5669365fa4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28d6477c85c5a4ac410a884e92fbe53.png)
您最近一年使用:0次
24-25高一上·全国·课后作业
解题方法
5 . 已知:如图,
,
,
,且
.求证:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d2a947e3fdc214d40a7d3f54679a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5475e10ea3f37788e680395999037a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a4352562ae8aa968014fd0d931b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db444986aaa51a15bb84c12a73238b73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3728b5463f1fe868979213bf32ff2a5c.png)
您最近一年使用:0次
6 . 如图,在正方体
中,
,点E,F分别为
的中点,点G在
上.
平面
;
(2)求三棱锥
的体积.
![](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/49bc70cf1e4f89142cccea300673acf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408871c2b71ef88d6f556ce53cf73cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55537f7dbac74c17fe0dc386dcdab3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffc3552dd835a9ee6022bb11397a1bd.png)
您最近一年使用:0次
7 . 下列命题中正确的个数为( )
①如果直线
,那么
平行于经过
的任何平面;②如果直线
和平面
满足
,那么
;③如果直线
和平面
满足
,那么
.
①如果直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b8a3b7eb1e1fd3eadfacd8093c93a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00693c76b749e1033a6f558f106d674b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb9549b82620bdc1af2f0624a16b0fd.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2024-05-29更新
|
813次组卷
|
5卷引用:天津市南开区第四十三中学2023-2024学年高一下学期期中考试数学试卷
天津市南开区第四十三中学2023-2024学年高一下学期期中考试数学试卷(已下线)6.4.1直线与平面平行-【帮课堂】(北师大版2019必修第二册)(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)江苏省无锡市辅仁高级中学2021-2022学年高一下学期期中数学试题江苏省盐城市伍佑中学2021-2022学年高一下学期学情调研(二)数学试题
名校
8 . 已知直线
和平面
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663a61ad241d5d874c9a9362f0ee917c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc14778010a33f90902ff17b1ec0ac73.png)
A.若![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 如图,在直三棱柱
中,
,
为线段
上一点,平面
交棱
于点
.
共点;
(2)若点
为
中点,再从条件①和条件②这两个条件中选择一个作为已知,求直线
与平面
所成角的正弦值.
条件①:三棱锥
体积为
;
条件②:三棱柱
的外接球半径为
.
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/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af2626608f61a4cfbb86494bd6df0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f491a794b9ac1a85a18c87ecee616c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7072a698a994eb1a4fe03b1a8b8bd71c.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f491a794b9ac1a85a18c87ecee616c.png)
条件①:三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec8fa1baf58d104867f595c15c001c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
条件②:三棱柱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.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
24-25高一上·全国·课后作业
解题方法
10 . 读一读,回答问题.
屏风是中国古代居室内重要的家具、装饰品,其形制、图案及文字均包含有大量的文化信息,既能表现文人雅士的高雅情趣,也包含了人们祈福迎祥的深刻内涵.经过不断的演变,屏风有防风、隔断、遮隐的用途,而且起到点级环境和美化空间的功效,所以经久不衰、流传至今,并衍生出多种表现形式.各式各样的屏风,凝聚着手工艺人富于创意的智慧和巧夺天工的技术. 其实,屏风除了它的使用价值和美学价值外,还藏有一些几何定理,需要用心去体会.你能用几何模型来描绘屏风,并分析出它里面藏有的几何定理吗?
屏风是中国古代居室内重要的家具、装饰品,其形制、图案及文字均包含有大量的文化信息,既能表现文人雅士的高雅情趣,也包含了人们祈福迎祥的深刻内涵.经过不断的演变,屏风有防风、隔断、遮隐的用途,而且起到点级环境和美化空间的功效,所以经久不衰、流传至今,并衍生出多种表现形式.各式各样的屏风,凝聚着手工艺人富于创意的智慧和巧夺天工的技术. 其实,屏风除了它的使用价值和美学价值外,还藏有一些几何定理,需要用心去体会.你能用几何模型来描绘屏风,并分析出它里面藏有的几何定理吗?
您最近一年使用:0次