名校
解题方法
1 . 如图,已知正方体
的棱长为1,P为底面ABCD内(包括边界)的动点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.存在点P,使![]() ![]() |
B.三棱锥![]() |
C.若![]() ![]() |
D.若点P是AD的中点,点Q是![]() ![]() ![]() ![]() ![]() ![]() |
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7日内更新
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2卷引用:浙江省浙江山海共富联盟2023-2024学年高一下学期6月联考数学试题
2 . 如图,在三棱柱
中,侧棱垂直于底面,
分别是
的中点,
是边长为2的等边三角形,
.
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfb9c088a7422e95f747701a626513d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6e8b2e3eede9ae5dcd8ece3f2ed70e.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
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解题方法
3 . 如图所示正四棱锥
,
,
,
为侧棱
上的点,且
.求:
的表面积;
(2)若
为
的中点,求平面
与平面
所成的二面角的余弦值;
(3)侧棱
上是否存在一点
,使得
平面
.若存在,求
的值;若不存在,试说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c56f3d2a9c05c3a13330af7a261889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2883beed42e46f8f379b02ea3b68b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f239fbcc58fc15535db4b5084c4f7253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)侧棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c372d059202ec388960b125d4a87dc84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea0808c7df5a3fa6678ee5406b35b25.png)
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名校
4 . 在正方体
中,
是
的中点,
是棱
上一点,且平面
平面
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](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/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fb16d2f0db758b8b7a8d3743143f48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320e6d8f4930226455010435a200deef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e40b79ad4ca6d3fda8ffe2bd30b14032.png)
A.![]() | B.![]() | C.![]() | D.1 |
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名校
5 . 已知
为直线
的方向向量,
,
分别为平面
,
的法向量(不重合),则正确选项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95763e154888a080b3b96ff7fb3b39f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e163480714acc9dae5005cac65d217d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37564ec4e9e92485f1769e8ffaac31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
6 . 设m,n是两条不同的直线,
,
是两个不同的平面,下列命题中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.若![]() ![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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2024-06-08更新
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1725次组卷
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4卷引用:广西南宁市第三中学2023-2024学年高一下学期月考(三)数学试题
名校
7 . 如图,直三棱柱
的体积为1,
,
,
.
;
(2)求二面角
的余弦值.
![](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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4fcf607b0710d12aaabd17fd053d83.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b42d91ade9933f47404dc8a74e55fa.png)
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2024-05-11更新
|
2781次组卷
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5卷引用:6.5.2 平面与平面垂直-同步精品课堂(北师大版2019必修第二册)
(已下线)6.5.2 平面与平面垂直-同步精品课堂(北师大版2019必修第二册)(已下线)专题04 第八章 立体几何初步(2)-期末考点大串讲(人教A版2019必修第二册)广西南宁市第二中学2023-2024学年高一下学期5月月考数学试卷江苏省苏锡常镇四市2024届高三教学情况调研(二)数学试题(已下线)专题01 空间向量与立体几何解答题必考题型(6类题型)-备战2023-2024学年高二数学下学期期末真题分类汇编(江苏专用)
解题方法
8 . 在正方体
中,点M为线段
上的动点(含端点),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
A.存在点M,使得![]() ![]() |
B.存在点M,使得![]() ![]() |
C.不存在点M,使得直线![]() ![]() ![]() |
D.不存在点M,使得直线![]() ![]() ![]() |
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名校
解题方法
9 . 如图,已知正方体
的棱长为2,E,F,G分别为
,
,
的中点,以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
A.三棱锥![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.二面角![]() ![]() |
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10 . 如图,四棱锥
的底面是平行四边形,平面
与直线
分别交于点
,且
,点
在直线
上运动,在线段
上是否存在一定点
,使得其满足:
;
(ii)对所有满足条件(i)的平面
,点
都落在某一条长为
的线段上,且
.若存在,求出点
的位置;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fd396e01e4539fc2f5924cdbde2a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5301994be1239a80629b5f5a71c5760c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/716aabfe3eadf464549db269bb4cebf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d473e21a7b8c67711b727634721facfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e462bf86e68d6c8cd5c30cf781a3e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bffc76218560809009e44db708d9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f063fac503d173b9d6e85a73c289c365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f148079427e6d8be6481dcbc955f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5c211c1161ec42b504cbe3834f3b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3052213185f1e92ff61bcd1b69031257.png)
(ii)对所有满足条件(i)的平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5301994be1239a80629b5f5a71c5760c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bffc76218560809009e44db708d9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62cbc323d0169375246bedae9e253846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0a9a28fb901d39a885b8c48a965dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5c211c1161ec42b504cbe3834f3b50.png)
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