名校
解题方法
1 . 如图,在四棱锥
中,底面
是平行四边形,且
,
,
,
平面
,
于
.给出下列四个结论:①
;②
平面
;③
平面
;④
,其中正确的选项是______ .
![](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/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.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/f4486d52b6e410fd7b60428121d96cef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dce1a3daf9869bc76cf3cb8815185c0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/3/afcab97b-b4f2-498d-b23a-acccd9d814f0.png?resizew=179)
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名校
解题方法
2 . 在四棱锥
中,已知平面
平面ABCD,
,
,
,
,M是平面SAD内的动点,且直线MB与平面SAD所成的角和直线MC与平面SAD所成的角相等,则当三棱锥
的体积最大时,三棱锥
外接球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877582b5387278008d14fe5932622fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d565deebd1dde1f99a0c0b7a9088931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71719fa9855745e17362dc00fe945ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71719fa9855745e17362dc00fe945ce2.png)
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解题方法
3 . 在棱长为
的正方体
中,动点
在平面
上运动,且
,三棱锥
外接球球面上任意一点
到点
到的距离记为
,当平面
与平面
夹角的正切值为
时,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce066003c0a1f0879cbca2f32802e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddd5048110640575a5e01d4c36e22744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ecc884f5b4dc9622e90e1303bc481f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce066003c0a1f0879cbca2f32802e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b2213b575a7cfaffcdf91885005c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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名校
4 . 如图,四棱锥P-ABCD,ABCD是正方形,
,△
是等边三角形,
,且平面
平面
,则四棱锥
外接球的表面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c383691e8d740830a865b12d66f7633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/24/762e65b7-16c3-434b-ac2d-1299c07dea4c.png?resizew=144)
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名校
解题方法
5 . 在三棱锥
中,平面
平面
,
是等边三角形且
,三棱锥
的四个顶点都在球
的球面上,若球
的体积为
,则三棱锥
体积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2b36694dab699191c204315efb433e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
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2023-04-16更新
|
1032次组卷
|
3卷引用:吉林省通化市梅河口市第五中学2023届高三第四次模拟考试数学试题
名校
解题方法
6 . 在正六棱柱
中,若底面边长为1,高为3,则BC到平面
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61bc06f1f5ba28c08b97bfaaae65696a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019efc97696ff32a8c1bcb82c48d2485.png)
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2023-04-14更新
|
262次组卷
|
2卷引用:山东省德州市2022-2023学年高二上学期期末数学试题
名校
解题方法
7 . 表面积为100π的球面上有四点S、A、B、C,△ABC是等边三角形,球心O到平面ABC的距离为3,若面SAB⊥面ABC,则棱锥
体积的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/16/c0541625-f32d-4873-8061-58c409b74279.png?resizew=163)
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2023-04-14更新
|
1330次组卷
|
6卷引用:陕西省西安市临潼区、阎良区2023届高三一模文科数学试题
名校
8 . 如图,已知△ABC和△DBC所在的平面互相垂直,AB=BC=BD,∠ABC=∠DBC=120°,则二面角
的正切值等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1854ba6cc92481d7a616bd2788a47e.png)
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2023-04-13更新
|
1058次组卷
|
5卷引用:江苏省连云港高级中学2022-2023学年高二下学期第一次学情检测数学试题
江苏省连云港高级中学2022-2023学年高二下学期第一次学情检测数学试题第13章《立体几何初步》单元达标高分突破必刷卷(基础版)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)四川省成都市成华区嘉祥外国语高级中学2022-2023学年高一下学期6月月考数学试题(已下线)第15讲 8.6.3平面与平面垂直(第2课时)-【帮课堂】(人教A版2019必修第二册)(已下线)专题训练:空间线线角、线面角、面面角求解精练30题-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
9 . 在四棱锥
中,平面
平面
,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0f08eb47a5429245f4c162d0355a45.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.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/f864244952b60f3648f08a19268efae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5ea309886e947ea7cb4b81716206fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a8b4ba508ace7b42aa75bb5598f10e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0f08eb47a5429245f4c162d0355a45.png)
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10 . 已知三棱锥P-ABC的各个顶点都在球O的表面上,
,
,
,平面PBC⊥平面ABC,若点E满足
,过点E作球O的截面,则所得截面面积的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a566b100fb2ebe3d208f9b6527934218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0795b26df9bc3be20c7ca49d7a662028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb61907b2cc3430c4100c8f04cd15a6.png)
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