名校
解题方法
1 . 如图,在四棱柱
中,
底面
,底面
满足
,且
,
.
(1)求证:
平面
;
(2)求四棱锥
的体积.
![](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/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991451c5002137302527700e195220e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9c270d5384dfb3a76711a595472a32.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/9/fa3d9ba1-7461-4791-bab4-eace4af09fd3.png?resizew=182)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
(2)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46097478fccd7467d5b91f42c0d195a6.png)
您最近一年使用:0次
2023-08-07更新
|
644次组卷
|
4卷引用:陕西省汉中市2021届高三上学期第一次校际联考文科数学试题
陕西省汉中市2021届高三上学期第一次校际联考文科数学试题陕西省榆林市神木中学2021届高三三模文科数学试题陕西省榆林市神木中学2020-2021学年高二上学期第二次测试数学试题(已下线)第04讲 直线、平面垂直的判定与性质(五大题型)(讲义)
解题方法
2 . 如图,在直四棱柱
中,底面
是平行四边形,
,
,M为
的中点.
(1)证明:
∥平面
;
(2)求三棱锥
的体积.
![](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/fbeb1554fc1cec56b983a08e9dc52c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/571821f5f2d335a4293ef6eed97cbd12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/29/b181616b-160b-4943-b881-25621ebc7874.png?resizew=171)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af29254fe60a392c249c5791279e9c8.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041434f0c90fb3cdd685b8eb1c2b4b26.png)
您最近一年使用:0次
名校
解题方法
3 . 如图所示多面体中, 底面
是边长为 3 的正方形,
平面 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2eb23f6971e3169b9f4ec52da605d7b.png)
是
上一点,
.
(1)求证:
平面
;
(2)求此多面体的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2eb23f6971e3169b9f4ec52da605d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4a51248d6511b43c7fbee3f2f3e15d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5f6b2331bb1726ce158334b5189d78.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/29/081d2fb5-9e5b-4577-b8ed-f1c2c4198d32.png?resizew=158)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac480d8d9d7821b62a603cf5cfda236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
(2)求此多面体的体积.
您最近一年使用:0次
2023-07-29更新
|
329次组卷
|
2卷引用:第十一章 立体几何初步 A卷 基础夯实单元达标测试卷
解题方法
4 . 如图:四棱锥
中,
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a804871ee7879825cae74b89c1c464.png)
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db27b7f29d7d01b2692f217bc3079fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba924d427bf2df79144e2611f50ad00f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ee7262d0b5cbbade014e07e7373501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05a804871ee7879825cae74b89c1c464.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e749d4e67d0a2dcb44829c79dd58c22.png)
您最近一年使用:0次
名校
解题方法
5 . 如图,在棱长为2的正方体
中,点
分别为棱
的中点, 求证:
(1)
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/631a833b17c2071f6c3add54d8eaefde.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/6/4bb36650-59f3-4d5e-befa-ecaa0ba0b88d.png?resizew=156)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/932a04304f2d4975955d4baabb2deeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee076fe7dbca5616c4e8a6869a355f4.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f73a0ca4e6c794242489066fddb6c5.png)
您最近一年使用:0次
2023-07-06更新
|
517次组卷
|
2卷引用:重庆市长寿区2022-2023学年高一下学期期末数学试题(B卷)
解题方法
6 . 如图,在四棱锥
中,底面
是矩形,
为棱
的中点,平面
与棱
交于点
.
为棱
的中点;
(2)若平面
平面
,
,△
为等边三角形,求四棱锥
的体积.
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3653ada76ba0c8afe9d57c8e7832c6ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
(2)若平面
![](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/50bd042730e9c5cd736f5cb44ae57afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29ed30f17b5944e4afc66ab1d5f7394.png)
您最近一年使用:0次
2023-07-25更新
|
723次组卷
|
3卷引用:北京市丰台区2022-2023学年高一下学期期末考试数学试卷
北京市丰台区2022-2023学年高一下学期期末考试数学试卷(已下线)专题06 空间中点线面的位置关系6种常考题型归类(1)-期期末真题分类汇编(北京专用)【北京专用】专题12立体几何与空间向量(第一部分)-高一下学期名校期末好题汇编
解题方法
7 . 如图,在直三棱柱
中,
,
,
,
为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/18cb7c40-da00-4b9c-af58-96853a090169.png?resizew=171)
(1)求证:
平面
;
(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/33de9b94a20b9d6ea37cfe135d790801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78f0b646ccbe31c8d4df21054f82003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a78f1bee29c69699ae6c7dd553c73c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/20/18cb7c40-da00-4b9c-af58-96853a090169.png?resizew=171)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0edb1508fc95765f3bb316bcb5252d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a0a3bb566b5d2404e4bb823abddfa9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0d025c1c91b88c7d9154a191b3c5c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e802c9457575dc36375a9a084d73f3d.png)
您最近一年使用:0次
2023-04-18更新
|
1571次组卷
|
4卷引用:西藏拉萨市2023届高三一模数学(文)试题
名校
解题方法
8 . 如图所示,正三棱柱
,
,
,
分别为
,
的中点.
(1)证明:
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/6f41d364b55d88688cd1f571ed231228.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/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/13/4a279866-b1fe-4150-b9f8-7012f17af1ed.png?resizew=136)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2ac20af67f3e0891be3102d70557ba.png)
您最近一年使用:0次
2023-06-08更新
|
928次组卷
|
2卷引用:黑龙江省哈尔滨市双城区兆麟中学2022-2023学年高一下学期期中数学试题
9 . 如图,在正四棱台
中,
.
的体积;
(2)若
分别为棱
的中点,证明:
相交于一点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360bbd21a070dcd5bd89a594b1f62b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c2d86d8daea5e652d99fe1c6bc3f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924f5cbf6650ce8947bb8b489a472eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ca2d0f4e346b09522561fbb3e241b2.png)
您最近一年使用:0次
2023-06-03更新
|
767次组卷
|
8卷引用:河南省商丘市实验中学2022-2023学年高一下学期5月月考数学试题
河南省商丘市实验中学2022-2023学年高一下学期5月月考数学试题陕西省西安市黄河中学等2022-2023学年高一下学期第二次联考数学试题(已下线)第一章 点线面位置关系 专题三 共点问题 微点1 立体几何共点问题的解法【培优版】(已下线)专题10 空间点、直线、平面之间的位置关系-【寒假自学课】(人教A版2019)(已下线)第06讲 8.4.1 平面-【帮课堂】(人教A版2019必修第二册)(已下线)8.4. 空间点、直线、平面之间的位置关系-同步题型分类归纳讲与练(人教A版2019必修第二册)(已下线)专题04 空间点﹑直线﹑平面之间的位置关系-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)专题07 立体几何初步(1)-期末考点大串讲(人教B版2019必修第四册)
名校
解题方法
10 . 如图,在四棱锥
中,底面
是菱形,
平面
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/2023/5/9/3234161096400896/3235970118959104/STEM/12dc02e911994399958094c52c1bc80e.png?resizew=185)
(1)证明:四边形
是正方形;
(2)若
,
为
上一点,且满足
,求三棱锥
的体积.
![](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/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://img.xkw.com/dksih/QBM/2023/5/9/3234161096400896/3235970118959104/STEM/12dc02e911994399958094c52c1bc80e.png?resizew=185)
(1)证明:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91708c4508371f08556e76e31c7cb9ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/482fa6ee95b8e38d578d8e24fcf44d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790c0a17ee2d7181ee95da741694bd1a.png)
您最近一年使用:0次
2023-05-12更新
|
1750次组卷
|
3卷引用:江西省重点中学协作体2023届高三第二次联考数学(文)试题