1 . 如图,在三棱柱
中,四边形
为菱形,
,
分别为
的中点,
.
平面
;
(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/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719de37e2bbf07a97de22f3353fabac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cca04b2a2b61d62a809776670a60c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661b922577e57930134daf2bd8bc7650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a40b8598e6b0a3da1505e711a40760b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
您最近一年使用:0次
解题方法
2 . 如图,已知正方体
的体积为8.
的表面积;
(2)设上底面
的中心为
,求三棱锥
的体积;
(3)求三棱锥
内切球(与所有面均相切的球)的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
(2)设上底面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9308baeac7dc6f0962842e9efdc7f01c.png)
(3)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcfc6016de043e3885dd8c28d62f219.png)
您最近一年使用:0次
解题方法
3 . 如图,四棱柱
中,侧棱
底面
,
,四棱柱
的体积为36.
平面
;
(2)求平面
与平面
的夹角的余弦值;
(3)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292f6423a7150047afbeebc4cd4dba86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba2c5c878ac9f4751c156247fc5bf96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c920d02068d0e63ffdab70786c526d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cfdc6224181d44e63aab43ddaf07ef.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13cfdc6224181d44e63aab43ddaf07ef.png)
您最近一年使用:0次
解题方法
4 . 如图,在直三棱柱
中,
,M为
中点,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/a7d07e55-43a0-473f-9d91-7e9b66b6289f.png?resizew=180)
(1)证明:平面
平面
;
(2)求直线
与平面
所成角的大小;
(3)点N在线段
上,点N到平面
的距离为2,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8cb98c0adee7ca698d8b17dacb845b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/a7d07e55-43a0-473f-9d91-7e9b66b6289f.png?resizew=180)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a2712f9cc643d4983d37c9dfe880ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adfc67f86e81cdd466230531ac658016.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3653ada76ba0c8afe9d57c8e7832c6ed.png)
(3)点N在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3653ada76ba0c8afe9d57c8e7832c6ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
您最近一年使用:0次
解题方法
5 . 如图,四棱锥
的底面是菱形,平面
底面
,
,
分别是
,
的中点,
,
,
.
(1)求证:
平面
;
(2)求证:
;
(3)求四棱锥
的体积.
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41df27395020cb225113fa9b31dc628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/17/ac18429b-a5dd-4716-b1e5-40c9c192863e.png?resizew=194)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8a1ea8fca7c80a86dbe4d85cf9707d.png)
(3)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
您最近一年使用:0次
2023高一·全国·专题练习
6 . 如图,已知正三棱锥S﹣ABC的底面边长为2,正三棱锥的高SO=1.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/3436fc8e-365c-4b6f-9557-5d4ef0d7d947.png?resizew=182)
(1)求正三棱锥S﹣ABC的体积;
(2)求正三棱锥S﹣ABC表面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/3436fc8e-365c-4b6f-9557-5d4ef0d7d947.png?resizew=182)
(1)求正三棱锥S﹣ABC的体积;
(2)求正三棱锥S﹣ABC表面积.
您最近一年使用:0次
2023-03-15更新
|
2226次组卷
|
12卷引用:天津市第三中学2022-2023学年高一下学期期中数学试题
天津市第三中学2022-2023学年高一下学期期中数学试题(已下线)8.3.1 棱柱、棱锥、棱台的表面积和体积(分层作业)-【上好课】2022-2023学年高一数学同步备课系列(人教A版2019必修第二册)(已下线)8.3.1 棱柱、棱锥、棱台的表面积和体积(1)-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(人教A版2019必修第二册)广东省江门市新会陈经纶中学2022-2023学年高一下学期期中数学试题(已下线)高一下学期期中模拟卷01(第六章至第八章8.3)-【单元测试】2022-2023学年高一数学分层训练AB卷(人教A版2019必修第二册)(已下线)13.3 空间图形的表面积和体积(分层练习)(已下线)专题11 空间图形的表面积与体积-期中期末考点大串讲(苏教版2019必修第二册)浙江省绍兴蕺山外国语学校2022-2023学年高一下学期期中数学试题(已下线)核心考点05简单几何体的表面积与体积-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)(已下线)8.3.1棱柱、棱锥、棱台的表面积和体积(分层作业)-【上好课】福建省宁德市博雅培文学校2023-2024学年高一下学期第一次月考数学试题(已下线)模块四 高一下期中重组篇(浙江)
解题方法
7 . 如图,在长方体
中,
,
,点
在线段
上.
(1)求D到
的距离;
(2)当
是
的中点时,求直线
与平面
所成角的大小;
(3)若平面
与平面
所成角的余弦值为
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/3/9f6283fc-05ac-474c-91cb-6b33b7e0f901.png?resizew=134)
(1)求D到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
(2)当
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea84e9242d2667cd6a0f7436425ad418.png)
(3)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7253ffd3fc633d861810ee2e872188b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea84e9242d2667cd6a0f7436425ad418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
2023-06-01更新
|
587次组卷
|
2卷引用:天津市朱唐庄中学2022届高三线上模拟数学试题
名校
解题方法
8 . 已知在直角三角形
中,
,
(如图所示)
为轴,直角三角形
旋转一周,求所得几何体的表面积.
(2)一只蚂蚁在问题(1)形成的几何体上从点
绕着几何体的侧面爬行一周回到点
,求蚂蚁爬行的最短距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cac4119d8e33e6ca1a58692e39acd91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)一只蚂蚁在问题(1)形成的几何体上从点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2022-12-13更新
|
1761次组卷
|
9卷引用:天津市第三中学2022-2023学年高一下学期期中数学试题
天津市第三中学2022-2023学年高一下学期期中数学试题上海市高桥中学2021-2022学年高二下学期期末数学试题第8章 立体几何初步 章末测试(提升)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)湖南省长沙市长郡中学2022-2023学年高一下学期期中数学试题海南省海口市第一中学2022-2023学年高一下学期期中考试数学试题江西省寻乌中学2022-2023学年高一下学期期中考试数学试题(已下线)11.3 多面体与旋转体(四大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)(已下线)考点巩固卷16 空间几何体的表面积和体积(八大考点)-2广东省广州科学城中学2023-2024学年高一下学期期中检测数学试题
名校
9 . 如图,在四棱锥
中,底面
是边长为2的正方形,侧棱![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
底面
,
,
是
的中点,作
交PB于点
.
![](https://img.xkw.com/dksih/QBM/2022/9/27/3075522905776128/3081229997236224/STEM/01fb833bf9d14b5885c78f4b54747a23.png?resizew=213)
(1)求三棱锥
的体积;
(2)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
平面
;
(3)求平面
与平面
的夹角的大小.
![](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/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43d4c42112e0a22f240ce2ae432e5b4d.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/9a4a6a1e70241d600bc6c104313eac61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2022/9/27/3075522905776128/3081229997236224/STEM/01fb833bf9d14b5885c78f4b54747a23.png?resizew=213)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ee3afb7e2c8943673449a1b136faf0.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebce46aeb97373353179e5669365fa4a.png)
(3)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955e030d649a3c7885071b4bf849993c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
您最近一年使用:0次
2022-10-05更新
|
2366次组卷
|
6卷引用:天津市五校联考2021-2022学年高一下学期期末数学试题
天津市五校联考2021-2022学年高一下学期期末数学试题天津市新四区示范校2022-2023学年高二下学期期末联考数学试题(已下线)空间直线、平面的垂直(已下线)8.6.2 空间角与空间距离(精练)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)专题强化训练四 直线与平面所成的角、二面角的平面角的常见解法(2)-《考点·题型·技巧》(已下线)高一下学期期末数学考试模拟卷02-2022-2023学年高一数学下学期期中期末考点大串讲(人教A版2019必修第二册)
解题方法
10 . 如图,正方体
的棱长为2,E是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/6e31eef9-cf9e-45f0-9833-63d7c28b9f28.png?resizew=200)
(1)证明:
平面BDE;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/6e31eef9-cf9e-45f0-9833-63d7c28b9f28.png?resizew=200)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89006cac018a9875f65ed7bd429c61bf.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c65e66df8ef6b562fe0066023a6e83.png)
您最近一年使用:0次
2022-07-08更新
|
699次组卷
|
2卷引用:2023年天津市河东区普通高中学业水平合格性考试模拟数学试题