名校
解题方法
1 . 在四棱锥
中,四边形ABCD是边长2的菱形,△PAB和△PBC都是正三角形,且平面PBC⊥平面PAB.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/30/8571a6e6-9efb-4e42-b503-924450605a22.png?resizew=162)
(1)求证:AC⊥PD;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/30/8571a6e6-9efb-4e42-b503-924450605a22.png?resizew=162)
(1)求证:AC⊥PD;
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddfe0ccf24d760c77535a70c92dad145.png)
您最近一年使用:0次
解题方法
2 . 如图所示,在矩形
中,
,
为
的中点.将
沿
折起,使得平面
平面
.点
是线段
的中点.
平面
;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4e4a162f12d12a082b8d8fdd1aeab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f9fba8a4098c1a0515286eb8d616dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb5012f6c70a1e98d682b6d021fadd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0760712e3e2ea02b755b751e760d0c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791a6585dbcb32fcf1ddc66aa004bc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0760712e3e2ea02b755b751e760d0c55.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804c0e2a375b5f4ff1c420532968efc3.png)
您最近一年使用:0次
2022-10-08更新
|
1732次组卷
|
9卷引用:河南省周口市商水县实验高级中学2021-2022学年高一下学期第三次月考数学试题
河南省周口市商水县实验高级中学2021-2022学年高一下学期第三次月考数学试题(已下线)第八章 立体几何初步 讲核心 02河南省周口市项城市第三高级中学2022-2023学年高一下学期第三次考试数学试题(已下线)空间直线、平面的垂直(已下线)8.6.1 空间直线、平面的垂直(精练)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)第30讲 面面垂直的判定定理及性质2种题型(已下线)10.4 平面与平面间的位置关系(第1课时)(七大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)(已下线)8.6.3平面与平面垂直——课后作业(基础版)(已下线)8.6.3 平面与平面垂直-同步题型分类归纳讲与练(人教A版2019必修第二册)
名校
解题方法
3 . 如图,在四棱锥
中,
平面
,
,且
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4503011757073f5ff1af493d9c19ab0.png)
为
的中点.
![](https://img.xkw.com/dksih/QBM/2022/10/30/3098850359017472/3099039652052992/STEM/1769a0457e6a490582c0da64ffeb5d08.png?resizew=277)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
平面
;
(2)求点
到平面
的距离.
![](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/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e644091cf2bd990f0f3b54bd9158537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4503011757073f5ff1af493d9c19ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/2022/10/30/3098850359017472/3099039652052992/STEM/1769a0457e6a490582c0da64ffeb5d08.png?resizew=277)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8948ac8156d19336083987d47b0f7038.png)
您最近一年使用:0次
2022-10-30更新
|
316次组卷
|
2卷引用:河南省鹤壁市浚县第一中学2022-2023学年高二上学期11月考试数学试题
解题方法
4 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df404a1d778dc4518d943fd93079248.png)
,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71187e41a7278c6f1893852944bb782.png)
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d4b99f920ce922c4709077a6662446.png)
.
(1)求证:直线
恒过定点;
(2)设(1)中的定点为
,
与
,
的交点分别为
,
,若
恰为
的中点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df404a1d778dc4518d943fd93079248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b00f32e1420c0dceaf59ca70b8ec2a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71187e41a7278c6f1893852944bb782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0848eed3bd3385ff4d5736ba71e660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d4b99f920ce922c4709077a6662446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af37267434dc617b8c96468a608e7ac.png)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设(1)中的定点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
5 . 如图,棱柱
中,底面
是平行四边形,侧棱
底面
,过
的截面与侧面
交于
,且点
在棱
上,点
在棱
上,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9e7024f4ec4794bc9b3dfbe89b5b9c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/25eaa395-8d84-47ce-8693-4f47455e242b.png?resizew=169)
(1)求证:
;
(2)若
为
的中点,
与平面
所成的角为
,求侧棱
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808709d61dda984c341792168f67104f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.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/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9e7024f4ec4794bc9b3dfbe89b5b9c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/25eaa395-8d84-47ce-8693-4f47455e242b.png?resizew=169)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e632783fe1f09e4200cd52aab1736d2.png)
(2)若
![](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/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808709d61dda984c341792168f67104f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
您最近一年使用:0次
2022-10-06更新
|
354次组卷
|
4卷引用:河南省顶级名校2022-2023学年高三上学期第一次月考试卷数学(文)试题
6 . 在棱长为2的正方体
中,
分别为
和
的中点
(1)求证:
平面
;
(2)求异面直线
与
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72545bef56c4e32d1b76489bd32c3842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa7d487586e3702f55cd2d6466654bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f83044285fd2454d070d0ba68c2bdab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb16f7dbc4b9993c4efa0764df1d8ca.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db604ddae7bc9680c678beef10428ce.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
7 . 在边长为2的正方形
外作等边
(如图1),将
沿
折起到
的位置,使得
(如图2).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/1208711f-95cb-48d8-827c-085a0d6bc28f.jpg?resizew=364)
(1)求证:平面
平面
;
(2)若F,M分别为线段
的中点,求点P到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8c91e4c85a9da7f54b2237d870a50d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/1208711f-95cb-48d8-827c-085a0d6bc28f.jpg?resizew=364)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若F,M分别为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19935e386ac54c8257a4b9ea0bd9d7a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6114761b369162cda06f08e31c23fc9.png)
您最近一年使用:0次
2022-12-25更新
|
450次组卷
|
5卷引用:河南省部分学校2022-2023学年高三12月大联考文科数学试题
河南省部分学校2022-2023学年高三12月大联考文科数学试题江西省赣州市九校2023届高三上学期12月质量检测数学(文)试题(已下线)江西省五市九校协作体2023届高三第一次联考文科数学试题变式题16-20(已下线)8.6.3平面与平面垂直(第1课时平面与平面垂直的判定定理)(精练)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)专题8.14 空间直线、平面的垂直(二)(重难点题型检测)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)
8 . 如图所示,在直角梯形BCEF中,
,A,D分别是BF,CE上的点,且
,
,将四边形ADEF沿AD折起,连接BE,BF,CE,AC.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/18/9590aac9-f994-41d8-9558-2667275643af.png?resizew=264)
(1)证明:
面BEF;
(2)若
,求直线BF与平面EBC所成的角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb18f3937480ab5ad6cf0d65a357c75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc5e7e3011ea41abd70e1a2c01b0b3e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/18/9590aac9-f994-41d8-9558-2667275643af.png?resizew=264)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429551ecb5930b2f033019e4d5b37ad7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a05d97047e3a5c8e125d334d478ee8e.png)
您最近一年使用:0次
2022-07-13更新
|
348次组卷
|
2卷引用:河南省驻马店市2021-2022学年高一下学期期末数学试题
名校
解题方法
9 . 如图,在四棱锥
中,
为正方形,平面
平面
,
是直角三角形,且
,
,
,
分别是线段
,
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/8475e426-0375-48c5-a6b5-948995dc4891.png?resizew=176)
(1)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
平面
;
(2)求三棱锥
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/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2753753faf2cb9a0003aa8e3945159.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/8475e426-0375-48c5-a6b5-948995dc4891.png?resizew=176)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2c673e86dc8bf49f3b34256ee79679.png)
您最近一年使用:0次
2022-12-27更新
|
646次组卷
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5卷引用:河南省部分重点高中2022-2023学年高三上学期12月联合考试数学(文)试卷
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10 . 古希腊几何学家阿波罗尼斯证明过这样一个命题:平面内到两定点距离之比为常数
的点的轨迹是圆,后人将这个圆称为阿波罗尼斯圆.若平面内两定点A,B的距离为2,动点Р满足
,若点Р不在直线AB上,则
面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533d0df0ab043fd32dce4c348c7b30e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1739cd9a9229c934e4a3a3fa46bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
A.1 | B.![]() | C.2 | D.![]() |
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