1 . 已知四棱锥
底面
是矩形,其中
,
,侧棱
底面
,E为
的中点,四棱锥
的外接球表面积为
,则直线
与
所成角的正弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/dd0b9d7e-ce6a-4c9e-9c91-8681d8de9ddb.png?resizew=122)
![](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/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.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/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c176877b59cd7c34fcc0838b05493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/dd0b9d7e-ce6a-4c9e-9c91-8681d8de9ddb.png?resizew=122)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 如图所示,在长方体
中,
,对角线
与底面
所成角余弦值为
,则从点
沿表面到点
的最短距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73dbb79622f5b5ec02d8015bf127e01a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a261474cc7607d31a6324cb4df9c8896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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2024-02-10更新
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202次组卷
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5卷引用:【名校面对面】2022-2023学年高三大联考(1月)理数试题
【名校面对面】2022-2023学年高三大联考(1月)理数试题 【名校面对面】2022-2023学年高三大联考(1月)文数试题 (已下线)专题3.1基本立体图形-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)8.1基本立体图形——课后作业(提升版)(已下线)专题04 第八章 立体几何初步(1)-期末考点大串讲(人教A版2019必修第二册)
3 . 招待客人时,人们常使用一次性纸杯,将其视为圆台,设其杯底直径为
,杯口直径为
,高为ℎ,将该纸杯装满水(水面与杯口齐平)后,再将一直径为
的小铁球缓慢放入杯中,待小铁球完全沉入水中并静止后,从杯口溢出水的体积为纸杯容积的
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6e0a88c0638faf3779a3069a845524.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7f30167e1135806fe9de641870b1e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da165d3d3de8812ab633e6276ed907b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7f30167e1135806fe9de641870b1e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1986471b18f921b9fa3a1a10128f9d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6e0a88c0638faf3779a3069a845524.png)
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解题方法
4 . 已知正三棱锥
的各棱长均为
为侧棱
的中点,过点
作与底面
平行的截面,所得截面与底面之间几何体的外接球的表面积为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e369838d1a5ab7776cd11d26bfe638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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名校
5 . 如图所示,在正四棱柱
中,
为棱
的中点,过
的平面
分别与棱
交于点
,且
,则四边形
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13860245883398aa0a315d15eac3ae4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e86e3991200297ad172455e5ea93f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c193eaf4c5ea5a58ed82457cf92c6893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d918361b03a48660dbd5987cd7a7a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/022f7711-135a-420b-be96-6a11b468e859.png?resizew=112)
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解题方法
6 . 在四棱锥
中,底面
是正方形,若
,
,
,
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/af3be501-a740-4d45-9a3d-c86cfbc77261.png?resizew=142)
(1)求四棱锥
的体积;
(2)求直线
与平面
夹角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c6caa0455442437177ab9b995df37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3d0f667ef7ca851f514f2e742a8624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a512bcb83a2e952d2f1f877f1ceaa5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/af3be501-a740-4d45-9a3d-c86cfbc77261.png?resizew=142)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c6caa0455442437177ab9b995df37b.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c550269f3199038726f55cbd281c13a.png)
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名校
7 . 已知
是边长为4的正三角形,
是
边上的中线.现将
沿
折起,使二面角
等于
,则四面体
外接球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29cc627d76412c236aac6b29fa0fdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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2024-02-04更新
|
386次组卷
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2卷引用:海南省海南中学2023-2024学年高三上学期第5次月考数学试题
8 . 若正三棱台的上、下底面的边长分别为3和6,侧棱长为2,则其体积为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:海南省海南中学2023-2024学年高三上学期第5次月考数学试题
名校
9 . 等腰直角三角形
中,
,该三角形分别绕
所在直线旋转,则2个几何体的体积之比为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b5ec4ea2c6751adfd8ebca84d65338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:河南省洛阳市第八高级中学2022-2023学年高一下学期4月月考数学试题
名校
解题方法
10 . 如图,在四棱锥
中,四边形ABCD为矩形,
,则四棱锥
的外接球的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68a88e02d78cef5bc28993a01451311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10卷引用:新疆乌鲁木齐市第十二中学2023届高三下学期2月月考数学(理)试题
新疆乌鲁木齐市第十二中学2023届高三下学期2月月考数学(理)试题河南省洛阳市栾川县第一高级中学2022-2023学年高一下学期5月月考数学试题山东省泰安市2019-2020学年高一下学期期末考试数学试题(已下线)专题03+空间几何体的表面积与体积(重点练)-2020-2021学年高一数学十分钟同步课堂练(人教版必修2)河北省沧州市沧县风化店中学2022-2023学年高二上学期开学考试数学试题(已下线)13.3 空间图形的表面积和体积(2)-【帮课堂】(苏教版2019必修第二册)四川省内江市第六中学2023-2024学年高二下学期入学考试数学试题(已下线)8.3简单几何体的表面积与体积——课后作业(基础版)(已下线)专题突破:立体几何外接球的常见模型-同步题型分类归纳讲与练(人教A版2019必修第二册)(已下线)难度1 小题强化限时晋级练(高一期末题型专项)