名校
解题方法
1 . 如图,四棱锥P-ABCD中,PD⊥DA,PD⊥DC,在底面ABCD中,AB∥DC,AB⊥AD,又CD=6,AB=AD=PD=3,E为PC的中点.
(2)求异面直线PA与CB所成的角的大小.
(2)求异面直线PA与CB所成的角的大小.
您最近一年使用:0次
2024-05-04更新
|
2053次组卷
|
6卷引用:【市级联考】四川省雅安市2018-2019学年高二上学期期末考试数学(理)试题
【市级联考】四川省雅安市2018-2019学年高二上学期期末考试数学(理)试题(已下线)8.6.1 直线与直线垂直【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)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)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)(已下线)专题08 立体几何异面直线所成角、线面角、面面角及平行和垂直的证明 -《期末真题分类汇编》(北师大版(2019))【全国百强校】吉林省梅河口市第五中学2018-2019学年高一3月月考数学(文)试题
名校
解题方法
2 . 已知球内接正四棱锥
的高为
,
、
相交于
,球的表面积为
,若
为
中点.
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/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020402293b35d704f83ed5eaf5e98028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a04ea8ebc597fd1f5d6bb8df181a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bc173337d51e4ab0233407a6088f8d.png)
您最近一年使用:0次
2024-04-14更新
|
949次组卷
|
4卷引用:四川省成都外国语学校2024届高三下学期高考模拟(二)数学(文科)试题
四川省成都外国语学校2024届高三下学期高考模拟(二)数学(文科)试题(已下线)专题3.9 立体中的外接球和内切球-重难点突破及混淆易错规避(人教A版2019必修第二册)四川省雅安市神州天立学校2024届高三高考适应性考试(三)数学(文)试题四川省峨眉市第二中学校2024届高三适应性考试暨押题数学(文)试题
3 . 如图,在四棱锥
中,底面
是矩形,
,
,
与
交于点
,
底面
,
,点
,
分别是棱
,
的中点,连接
,
,
.
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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc6f007dbf1c1a36eb031e520608403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c80b508a551c7e67587eaf6eaae2df.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392e71a9d1ebe4577f785581d0142305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2f4c3aeb9a3c57df28bae5e2a6aa6d.png)
您最近一年使用:0次
名校
解题方法
4 . 如图,在正方体
中,
是
的中点.
平面ACE;
(2)设正方体的棱长为1,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0424446817f60c18f8e4e3cc202ad99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdef1356ec88776403744e91bbc539d2.png)
(2)设正方体的棱长为1,求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a79fe6289d42058b781171fbd0b92e.png)
您最近一年使用:0次
2024-04-19更新
|
2266次组卷
|
6卷引用:河南省新乡市封丘县第一中学2023-2024学年高一下学期4月阶段性考试数学试题
河南省新乡市封丘县第一中学2023-2024学年高一下学期4月阶段性考试数学试题(已下线)第八章 立体几何初步(基础卷)-重难点突破及混淆易错规避(人教A版2019必修第二册)(已下线)专题13.7空间中的距离和夹角问题-重难点突破及混淆易错规避(苏教版2019必修第二册)(已下线)专题突破:空间几何体的体积求法-同步题型分类归纳讲与练(人教A版2019必修第二册)广东省东莞市东华高级中学2023-2024学年高一下学期期中教学质量检查(二)数学试题吉林省白城市洮南市第一中学2023-2024学年高一下学期4月阶段性考试数学试题
解题方法
5 . 如图,已知四棱台
中,
,
,
,
,
,
,且
,
为线段
中点,
平面
;
(2)若四棱锥
的体积为
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e05c4eff7615455af8500fa211b0b071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cedd4928cf0cca80e127eb78de6957f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174373d350643ccf839dd1dba90e8675.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/5eb23319dd125300f2001746d49c971b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
(2)若四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d16b3ff05bb8b35dd22ffee9bdf062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2278dbf1ada5dc5289063e5f77c22b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
您最近一年使用:0次
名校
解题方法
6 . 如图,在直四棱柱
中,四边形
为等腰梯形,
,
,
,点E是线段
的中点.
平面
;
(2)求证:
平面
.
![](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/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a266a892baf8eaaf081367e478f52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ce06dbe9e1177468781ba4aff85ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ebab9004061a7663c35b3f78c60c16a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9836949f7896f7b329ec653225a4c765.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
您最近一年使用:0次
昨日更新
|
722次组卷
|
3卷引用:专题08 立体几何大题常考题型归类-期末考点大串讲(人教B版2019必修第四册)
(已下线)专题08 立体几何大题常考题型归类-期末考点大串讲(人教B版2019必修第四册)安徽省金榜教育2023-2024学年高一下学期5月阶段性大联考数学试题安徽省安庆市、桐城市名校2023-2024学年高一下学期5月期中调研数学试题
解题方法
7 . 如图,在直三棱柱
中,
,
,
,
,点
是
的中点.
平面
;
(2)求证:
;
(3)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a96fd5c137199d2d8e89ce2d7f70c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5e1093a147c521c5e8d0d5e266db54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4557a368725226f2c8ea2efb7d30e478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc7e774e4ae40c23bf4ceed179230ca.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429228f882da65a8e0064c88d02b8e40.png)
(3)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1847074419e82f9f04b9596e4fbe19.png)
您最近一年使用:0次
昨日更新
|
2033次组卷
|
5卷引用:第六章 立体几何初步(单元测试,新题型)-同步精品课堂(北师大版2019必修第二册)
(已下线)第六章 立体几何初步(单元测试,新题型)-同步精品课堂(北师大版2019必修第二册)(已下线)专题09高一数学下学期期末考点大汇总-《期末真题分类汇编》(人教B版2019必修第四册)(已下线)专题08 立体几何异面直线所成角、线面角、面面角及平行和垂直的证明 -《期末真题分类汇编》(北师大版(2019))(已下线)专题08 期末必刷解答题专题训练的7种常考题型归类-期末真题分类汇编(北师大版2019必修第二册)广东省六校(北江中学、河源中学、清远一中、惠州中学、阳江中学、茂名中学)2023-2024学年高一下学期联合质量监测考试数学试题
名校
8 . 如图,已知等腰梯形
中,
,
,
是
的中点,
,将
沿着
翻折成
,使
平面
.
平面
;
(2)求
与平面
所成的角;
(3)在线段
上是否存在点
,使得
平面
,若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef699f5dc072b853cfe700c6f1abbbae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aef94242f79b15efbff959092a7621a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320a8131d673c99f41180ecf137168e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e4ad880948a6da16951cd124b9653b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f8fda3ac618836ce5ad3cd80616bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542fe1413bd449356daef489ecf0c6cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da30dfe292fe4271fdb1150a0c45963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28fa14d4841ca3f2fe226688c25c8160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/622f3fcf7ec50de07c8a538f77a235b5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c87bac85c8fbe3ed2dce5edf910104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa62df7dff41d7897d3cf3a94e0b5be.png)
(3)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675c6e2941eecb64b358527da4d4999c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f66702d72329bdfd455f4fe3e724cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d7150b2eef9696dd470f03ca922986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f832ee46a606926e5d214387027b84.png)
您最近一年使用:0次
7日内更新
|
2197次组卷
|
6卷引用:广州市南武中学2023-2024学年高一下学期综合训练(二)段考考试数学试题
广州市南武中学2023-2024学年高一下学期综合训练(二)段考考试数学试题(已下线)【北京专用】高一下学期期末模拟测试B卷湖北省黄冈市浠水县第一中学2023-2024学年高一下学期期末质量检测数学试题广东省东莞市海逸外国语学校2023-2024学年高一下学期第三次质量检测数学试题(已下线)高一期末模拟试卷01-《期末真题分类汇编》(北师大版(2019))(已下线)【江苏专用】高一下学期期末模拟测试B卷
解题方法
9 . 图1是由正方形ABCD和两个正三角形
组成的一个平面图形,其中
,现将
沿AD折起使得平面
平面
,将
沿CD折起使得平面
平面
,连接EF,BE,BF,如图2.
平面
;
(2)求平面
与平面
夹角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bc485051e6b8f7e5bdbc533da53f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d28c625d7ac6878957facc8274d459c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df7626240940eb340420a605e95aeee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e7a3d6eadcf4e7be0c6ba280c11c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06222ee533c2484ab25321a6abbf98cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d9d486b7f91ba933210dd013a7f2c.png)
您最近一年使用:0次
10 . 如图,在多面体
中,四边形
为菱形,平面
平面
,平面
平面
是等腰直角三角形,且
.
平面
;
(2)若
,求平面
与平面
所成锐二面角的余弦值的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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(2)若
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4卷引用:四川省眉山市2024届高三下学期第三次诊断考试理科数学试题
四川省眉山市2024届高三下学期第三次诊断考试理科数学试题(已下线)第4套 新高考全真模拟卷(三模重组)(已下线)易错点4 忽视法向量夹角与二面角的关系四川省雅安市神州天立学校2024届高三高考适应性考试(三)数学(理)试题