名校
解题方法
1 . 如图,在四棱锥
中,底面
为梯形,其中
,且
,点
为棱
的中点.
平面
;
(2)若
为
上的动点,则线段
上是否存在点N,使得
平面
?若存在,请确定点N的位置,若不存在,请说明理由.
![](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/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e839ac941e8bf536ff35a12e56c7a400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a20ea69475dcf57a5ff18c13eceaaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eaa5e336f830a3e5cd60ff7a756f3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
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402次组卷
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2卷引用:江苏省南京外国语学校2023-2024学年高一下学期5月阶段性测试数学试题
2 . 正方体
的棱长为2,
分别是
的中点.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc54c1c5160a8e9c2acc60b737a1f182.png)
面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b199a99e53d67ff4abf233930961a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deedcb96962d9c30e1e88b16d54c4e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc54c1c5160a8e9c2acc60b737a1f182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d47e5be88e89d0d042c56d2d6942b0.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d47e5be88e89d0d042c56d2d6942b0.png)
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1333次组卷
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3卷引用:专题06 空间角、距离的计算-期末考点大串讲(苏教版(2019))
名校
解题方法
3 . 如图,四棱柱
的底面
是菱形,
平面
,
,
,
,点
为
的中点,点
为
上靠近
的三分点.
平面
;
(2)求二面角
的正切值.(先找角再证明最后计算)
![](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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d0fdc5a00ca0e857b89a7e1420df29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.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/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923d409630f5331cf8e85fb6c584e31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040cc5f2f809a67331370dd0d3aa80d1.png)
您最近一年使用:0次
名校
解题方法
4 . 在三棱柱
中,侧面
底面
,
,
,
,
为
的中点.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
平面
;
(2)求证:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61cdaadeae37736a1e6dd93fa1fe712f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f721d15abc97b4dbc7f46eac4fd06e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8943a18d524103d5f6c60bef0b71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f25936291abb6432ed5a710ebf0ea195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a98287a302228ece1fa53c5c66c590f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ecf072589c0f901d92f6bda111d841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
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名校
解题方法
5 . 如图,四棱锥
中,底面ABCD为正方形,
面ABCD,
,E,F分别是PC,AD的中点.
平面PFB;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99926bf272cd757f0985c69b390ebcce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063510e3c1fb6a7ccc3b8e3e3c7d660e.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c3425aee6c70e3c522b95e2a4e2b07.png)
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今日更新
|
955次组卷
|
5卷引用:专题05 立体几何初步(2)-期末考点大串讲(苏教版(2019))
(已下线)专题05 立体几何初步(2)-期末考点大串讲(苏教版(2019))重庆市七校联盟2023-2024学年高一下学期5月期中联合考试数学试题(已下线)核心考点6 立体几何中组合体 B提升卷 (高一期末考试必考的10大核心考点) 2015-2016学年江西省赣州市高二上学期期末文科数学试卷2016-2017学年江西丰城中学高二上月考一数学(文)试卷
23-24高一下·江苏·期末
解题方法
6 . 某企业为了了解本企业员工每天慢走与慢跑的情况,对每天慢走时间在25分钟到55分钟之间的员工,随机抽取
人进行调查,将既参加慢走又参加慢跑的人称为“H族”,否则称为“非H族”,得如下的统计表以及每天慢走时间在25分钟到55分钟之间的员工人数的频率分布直方图(部分):
(1)试补全频率分布直方图,并求
与
的值:
(2)从每天慢走时间在
(分钟)内的“H族”中按时间采用分层抽样法抽取6人参加企业举办的健身沙龙体验活动,再从这6人中选2人作健身技巧与减脂秘籍的发言,求这2人每天慢走的时间恰好1人在
分钟内,另一个人在
分钟内的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
组数 | 分组 | 人数 | 本组中“H族”的比例 |
1 | 200 | 0.6 | |
2 | 300 | 0.65 | |
3 | 200 | 0.5 | |
4 | 150 | 0.4 | |
5 | 0.3 | ||
6 | 50 | 0.3 |
(1)试补全频率分布直方图,并求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)从每天慢走时间在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fc138be9688253cbdeae2808eb74ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfdfdaaa327b4384b7aad8a84bc877e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67ea568b16c0698cdefd1f1f02893da.png)
您最近一年使用:0次
7 . 如图,正方体
中,E,F分别为棱
,
的中点,P为线段
上的动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
A.对任意的点![]() ![]() |
B.对任意的点![]() ![]() ![]() |
C.过点E,F,D的平面截该立方体的截面形状是四边形 |
D.异面直线![]() ![]() ![]() |
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名校
解题方法
8 . 正四棱台
,其上、下底面的面积分别为
,
,该正四棱台的外接球表面积为
,则该正四棱台的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a0c3a4e61b97fa9bc58f3179fc2958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c258d2be23084686379c3c279f54ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9202af84bc055b58bd51fae5e3272283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981099dc829282e8d6dfa137c1d83a80.png)
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名校
解题方法
9 . 正四棱锥
的底面积为3,外接球的表面积为
,则正四棱锥
的体积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d80f16c3278cd252725625dcf253cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
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名校
解题方法
10 . 设
,
,
,
是同一个半径为
的球的球面上四点,
是斜边为
的直角三角形,则三棱锥
体积的最大值为( )
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
A.![]() | B.64 | C.![]() | D.128 |
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4卷引用:江苏省邗江中学2023-2024学年高一下学期5月阶段性测试数学试题
江苏省邗江中学2023-2024学年高一下学期5月阶段性测试数学试题福建省泉州市安溪第八中学2023-2024学年高一下学期6月份质量检测数学试题(已下线)期末模拟卷(范围:人教A版2019必修第二册)-期末真题分类汇编(天津专用)(已下线)专题07 立体几何小题常考题型归类-期末考点大串讲(人教B版2019必修第四册)