名校
解题方法
1 . 如图,正方体
的棱长为
分别为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/478dce1e-1612-4f04-96c4-020d8b8e0da0.png?resizew=161)
(1)请在正方体的表面完整作出过点
的截面,并写出作图过程;(不用证明)
(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/b684d2e78a0eb1b406913f2730e1d226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5307e04a84a0621e4d5bd2aaa1980ef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/478dce1e-1612-4f04-96c4-020d8b8e0da0.png?resizew=161)
(1)请在正方体的表面完整作出过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f5c5097e8b1f6c46b744ea1630d41e.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378daab67e7e1d1542e6e25f0f259185.png)
您最近一年使用:0次
2024-03-07更新
|
507次组卷
|
4卷引用:河南省九师联盟2024届高三上学期2月开学考试数学试卷
河南省九师联盟2024届高三上学期2月开学考试数学试卷甘肃省部分学校2024届高三下学期2月开学考试数学试题内蒙古自治区赤峰市松山外国语学校2024届高三下学期开学考试数学(理)试题(已下线)重难点6-2 空间几何体的交线与截面问题(8题型+满分技巧+限时检测)
2 . 如图所示,四边形
是直角梯形
单位:
,求图中阴影部分绕
所在直线旋转一周所成几何体的表面积和体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e4fea666183ad7f311f188c7ebc54d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/14/6395c7ca-ca82-476b-b9d2-ae2897f373ce.png?resizew=195)
您最近一年使用:0次
3 . 如图,在直三棱柱
中,
,
,D,E分别是
和
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/e53b2837-3a7a-46f2-b7c0-2800f584e4c2.png?resizew=126)
(1)求证:平面
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8817091d0f4b7d7ac6df560cb63c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e53149090ce976f12fddb36e2d205c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/e53b2837-3a7a-46f2-b7c0-2800f584e4c2.png?resizew=126)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f5ba965420dfd5aa4da211682df096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42020cfacd62b300cad053981bab9e0b.png)
您最近一年使用:0次
解题方法
4 . 在如图所示的几何体
中,
底面
,底面
是边长为4的正方形,其中心为P,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/12/42562408-3414-4b7d-babd-47f920f365fa.png?resizew=195)
(1)求三棱锥
的体积;
(2)求二面角
的平面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fc1129846f37afdafd751627c450d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd3bc5c12b7f2e3974daf5d129f8b33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b70c03f14f9f5c55c5b8d536437b90.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/12/42562408-3414-4b7d-babd-47f920f365fa.png?resizew=195)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437c9774700f6c066b3e19d17d54b368.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c9c2c831a0552a7c934365bc49ad3f.png)
您最近一年使用:0次
5 . 如图,四边形
是菱形,
,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/db94e966-359c-4907-9d8a-0127482e9431.png?resizew=160)
(1)证明:
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477dc280b77f5640565dbc0ddf24460a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb55f8255603eae28bf91a29aebcd361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d778ec73b6e577ed5827562828206e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/db94e966-359c-4907-9d8a-0127482e9431.png?resizew=160)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1384ffba86ff08ce9e783d5d1bc51686.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6261790c66cc71ee3898afabad0c09f4.png)
您最近一年使用:0次
6 . 如图,在四棱锥
中,
底面ABCD,
,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/c59ca4fd-69b1-4400-9dcc-cc3ae0f3ae6c.png?resizew=139)
(1)证明:平面PCD⊥平面PBC;
(2)若
,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/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88c44f558705de3bcefcfc0ece96b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18834f4ba51bf4d490f35ed02379fec7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/c59ca4fd-69b1-4400-9dcc-cc3ae0f3ae6c.png?resizew=139)
(1)证明:平面PCD⊥平面PBC;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fc6a5e71fa379d613ac1ef1cdf1048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
您最近一年使用:0次
2023-01-31更新
|
266次组卷
|
3卷引用:河南省开封市五县2022-2023学年高三下学期开学考试文科数学试题
河南省开封市五县2022-2023学年高三下学期开学考试文科数学试题江西省赣州市、河南省开封市(多地区学校)2023届下学期高三开学考试数学(文)试题(已下线)河南省济源市、平顶山市、许昌市2022届高三文科数学试题变式题16-20
7 . 如图,在三棱柱
中,
,
,
,点D,E,F分别为线段BC,
,
的中点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/4f660dc7-5717-4a1d-a00f-64f85d80e8c8.png?resizew=255)
(1)证明:平面
平面ABC;
(2)若
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16cfb38323095090b0fe5eee70b24210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e3c9e7c05de9838c0c5d762720d3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f752d8a27ed612c37ddc86e8b483a243.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/4f660dc7-5717-4a1d-a00f-64f85d80e8c8.png?resizew=255)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61cdaadeae37736a1e6dd93fa1fe712f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610038cde1968e0a15792ce77dd0e99f.png)
您最近一年使用:0次
2022-12-26更新
|
604次组卷
|
5卷引用:河南省信阳高级中学2023届高三下学期开学考试文科数学试题
河南省信阳高级中学2023届高三下学期开学考试文科数学试题河南省(菁师联盟)2022-2023学年高三上学期12月质量监测考试(文科)数学试题(已下线)河南省济源市、平顶山市、许昌市2022届高三文科数学试题变式题16-20(已下线)8.6.3平面与平面垂直(第1课时平面与平面垂直的判定定理)(精讲)(2)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)陕西省西安市西安交大附中2024届高三上学期第六次诊断考试数学(文)试题
名校
解题方法
8 . 如图,三棱柱
中,
,
交
于点O,AO⊥平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/15/ed995bc3-c78e-4348-97e2-eaf17806a9dd.png?resizew=166)
(1)求证:
;
(2)若
,直线AB与平面
所成角为60°,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17538b8e2f72216eb4c9be58a1dc635f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/15/ed995bc3-c78e-4348-97e2-eaf17806a9dd.png?resizew=166)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7870cee007535b979d35bc7feab75616.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75b8490158d95f3318b1c775f82f163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bb476963fef46a54d6b7789f334629.png)
您最近一年使用:0次
2022-09-14更新
|
351次组卷
|
3卷引用:河南省豫东名校2022-2023学年上学期新高三摸底联考文科数学试题
名校
解题方法
9 . 如图,梯形ABCD中,
,
,
,
,DE⊥AB,垂足为点E.将△AED沿DE折起,使得点A到点P的位置,且PE⊥EB,连接PB,PC,M,
分别为PC和EB的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/30/8140688b-1d9b-43cf-8c3f-0f6732a0b858.png?resizew=374)
(1)证明:
平面PED;
(2)求点C到平面DNM的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9723a6e093c297b001436e8932b1820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ad8d16722f5b9e7fd2602f14d5ffbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e530783dc49238736ed5c1157e6184dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/30/8140688b-1d9b-43cf-8c3f-0f6732a0b858.png?resizew=374)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eaa5e336f830a3e5cd60ff7a756f3ef.png)
(2)求点C到平面DNM的距离.
您最近一年使用:0次
2022-08-29更新
|
381次组卷
|
4卷引用:河南省百校联盟2023届高三上学期开学摸底联考全国卷文科数学试题
10 . 如图,在直四棱柱
中,四边形
是菱形,
分别是棱
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/1bd4ce80-71dd-4eca-ad91-cd2879f0871b.png?resizew=202)
(1)证明:平面
平面
.
(2)若
,
,求点
到平面
的距离.
![](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/6a373959bb9026f8a09845c0b828bf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/1bd4ce80-71dd-4eca-ad91-cd2879f0871b.png?resizew=202)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6501f1c913a4ef64957a2f01ab5baa15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2e84d6e368f8368f8301c4cd66d6dd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95196d4658088f565e495c005cfed5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e57c789cfd4b0be7dbf63aa99435656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
您最近一年使用:0次
2022-08-23更新
|
446次组卷
|
4卷引用:河南省创新发展联盟2022-2023学年高三上学期入学摸底考试(一)文科数学试题