1 . 如图,在四棱锥
中,四边形ABCD为菱形,且
,
平面ABCD,E为BC的中点,F为棱PC上一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/19/f9adb711-677e-4c8b-998f-20a03b324c74.png?resizew=190)
(1)求证:平面
平面PAD;
(2)当F为PC的中点,且
时,求点P到平面AEF的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/19/f9adb711-677e-4c8b-998f-20a03b324c74.png?resizew=190)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6501f1c913a4ef64957a2f01ab5baa15.png)
(2)当F为PC的中点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9b5d2943803894bc5d204e75e2d172b.png)
您最近一年使用:0次
2022-06-13更新
|
802次组卷
|
4卷引用:江西省景德镇市2021-2022学年高二下学期期末质量检测数学(文)试题
名校
解题方法
2 . 如图,在四棱锥
的三视图中,俯视图为边长为1的正方形,正视图与侧视图均为直角边长等于1的等腰直角三角形,M是SD的中点,
交SC于点N.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/22/b0cecd6b-761c-4e7d-9db8-2d0a23e5fce1.png?resizew=169)
(1)求证:
;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f04e6ed01c8f3778a64f055d33ee70c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/22/b0cecd6b-761c-4e7d-9db8-2d0a23e5fce1.png?resizew=169)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7690424e1bbb494aac511ed342a6d8.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
您最近一年使用:0次
名校
解题方法
3 . 如图,在直棱柱
中,底面四边形
为边长为
的菱形,
,E为AB的中点,F为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/fb86a6c9-cc94-40bc-a223-4b42e20d0919.png?resizew=154)
(1)证明:
平面
;
(2)若点P为线段
上的动点,求点P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/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc633603ce426facfd47d2bca6a90dbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/fb86a6c9-cc94-40bc-a223-4b42e20d0919.png?resizew=154)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
(2)若点P为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
您最近一年使用:0次
2022-11-04更新
|
1458次组卷
|
9卷引用:江西省赣州市教育发展联盟2023届高三上学期第9次联考(12月)数学(文)试题
解题方法
4 . 如图,四棱锥
的底面是正方形,
垂直于底面
,
是
的中点,求证:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/86833a83-ba24-4643-aa9f-5f91f3864086.png?resizew=171)
(1)
平面
;
(2)求异面直线
与
所成的角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5821ab58ef24aba5437d44ccc5ec7c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30f79effb3de7e1d12055b6c2482018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/86833a83-ba24-4643-aa9f-5f91f3864086.png?resizew=171)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45fbffb9e2c7fa7c5006cde8da0cabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ac7cf883a6e586d06e3f33875bd95b.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
您最近一年使用:0次
名校
解题方法
5 . 一个直三棱柱被平面所截得到如图所示的几何体
,其中
、
、
与平面
垂直.
,若
,
,
是线段
上靠近点A的四等分点.
![](https://img.xkw.com/dksih/QBM/2022/5/15/2979814444761088/2980511725133824/STEM/4a645eb72b6040bda72a9eaf47e32cb7.png?resizew=128)
(1)求证:
;
(2)求此多面体的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a696a182fff038a86b2bbe8ca099442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1859959fdb4c5edd8056893f94a10a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d30912fc409ba165d3641260d535da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f393a0ff5f01a41e1f4c9cfd723adeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2022/5/15/2979814444761088/2980511725133824/STEM/4a645eb72b6040bda72a9eaf47e32cb7.png?resizew=128)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/525fa753e9e54940f281b0dd260bb120.png)
(2)求此多面体的体积.
您最近一年使用:0次
2022-05-16更新
|
408次组卷
|
2卷引用:江西省南昌市2022届高三第三次模拟测试数学(文)试题
名校
6 . 在正方体
中,
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/cc1a8c41-d14d-4d82-9c4f-2c270a01de51.png?resizew=177)
(1)证明:平面
平面
;
(2)求直线
与
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9ba90b720518d70eb4d365b2afaeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852d08efc977d214815e8b4c1b7b6d36.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/cc1a8c41-d14d-4d82-9c4f-2c270a01de51.png?resizew=177)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd4f6235437f9ad1007c5cc0a7bec8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96872cd6cd581ae8a861c7032e0257b4.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554b3b4c5ce7aca81becc07ed4903736.png)
您最近一年使用:0次
2022-10-29更新
|
868次组卷
|
13卷引用:江西省宜春市宜丰县宜丰中学2022-2023学年高一上学期期中考试数学试题
江西省宜春市宜丰县宜丰中学2022-2023学年高一上学期期中考试数学试题四川省达州市2021-2022学年高二上学期期末数学(理)试题四川省遂宁中学校2021-2022学年高二下学期开学考试数学(理)试题四川省遂宁中学校2021-2022学年高二下学期开学考试数学(文)试题四川省遂宁中学校2022-2023学年高二上学期9月月考数学(文)试题河南省濮阳市南乐县第一高级中学2022-2023学年高二上学期第二次月考理科数学试题上海市洋泾中学2022-2023学年高二上学期期中数学试题四川省达州市达川区铭仁园学校2022-2023学年高二上学期第一次规范性训练理科数学试题(已下线)8.5.3 平面与平面平行(2)-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)(已下线)第四节?直线,平面垂直的判定与性质(A素养养成卷)上海市实验学校东滩高级中学2023-2024学年高二上学期期中考试数学试题(已下线)期中真题必刷常考60题(22个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(沪教版2020必修第三册)(已下线)专题04平面与平面的位置关系(2个知识点8种题型)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(沪教版2020必修第三册)
解题方法
7 . 如图,四边形
、
都是边长为
的正方形,
,四边形
为矩形,平面
平面
,平面
平面
,点
在线段
上,且
.
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967030070444032/2968496619159552/STEM/ec237c56-cc97-4ab9-b4ff-14a5ac184b1c.png?resizew=242)
(1)求四棱锥
的体积;
(2)求证:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2672b01b8ce65e01586e5e8be72eec95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7502d9ae80577f31638395b64cc901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06dd7fcdf1fc103a316055e415804be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/693f873931d8d09aad4c4dd39efa62d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f9bba0e729202b7b71c72b5f2ae958.png)
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967030070444032/2968496619159552/STEM/ec237c56-cc97-4ab9-b4ff-14a5ac184b1c.png?resizew=242)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0457394ce4f2dc8d940c565c94dcf557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cc4309dcef077fbcf60099f47b7b37.png)
您最近一年使用:0次
解题方法
8 . 如图所示,在空间几何体ABCDE中,△ABC与△ECD均为等边三角形,AB=DE,且平面ABC和平面CDE均与平面BCD垂直.
![](https://img.xkw.com/dksih/QBM/2022/4/23/2964597207801856/2967401467797504/STEM/bbb8e1917f03492b8d0c5a46eff3f281.png?resizew=168)
(1)若
,求证:平面ABC⊥平面ECD;
(2)求证:四边形AEDB为梯形.
![](https://img.xkw.com/dksih/QBM/2022/4/23/2964597207801856/2967401467797504/STEM/bbb8e1917f03492b8d0c5a46eff3f281.png?resizew=168)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3459df17a7608d8cb850ff35cc102e97.png)
(2)求证:四边形AEDB为梯形.
您最近一年使用:0次
9 . 如图,在四棱锥
中,底面ABCD是正方形,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/7afde5fc-a045-4899-af2c-1df40cdfa3b0.png?resizew=187)
(1)证明:平面
平面
;
(2)求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531496172673a735ddf36284fa45fb81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0051d92c8639713847682826c2bb9783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5a20de5ab5d40c465b0353fe3c5e589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66536456c67fce11a510d3dad864dc2e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/7afde5fc-a045-4899-af2c-1df40cdfa3b0.png?resizew=187)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25cc199e2f29f643482f19d8b345ea54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ef387d93efb947fbe046f5f19703e7.png)
您最近一年使用:0次
2022-10-26更新
|
503次组卷
|
4卷引用:江西省丰城中学、新余一中2023届高三上学期联考数学(文)试题
名校
解题方法
10 . 如图,在四棱锥
中,平面
平面
,
为等边三角形,
,
,
,
是棱
上一点且
.
![](https://img.xkw.com/dksih/QBM/2022/6/30/3012436271202304/3013232979476480/STEM/895a5a6593a04079b80d62d7b0de78f6.png?resizew=208)
(1)求证:
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/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dc26d4912a7f0b94a965550b064eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bc77b37986d658edad69992c5ea0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a88c44f558705de3bcefcfc0ece96b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d20fec32122b4a70b993976201c9ba9.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/df46cb89ec29c07e6d7b373cf845f7d7.png)
![](https://img.xkw.com/dksih/QBM/2022/6/30/3012436271202304/3013232979476480/STEM/895a5a6593a04079b80d62d7b0de78f6.png?resizew=208)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d8677ae5ca7acf874d93789425d172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af29254fe60a392c249c5791279e9c8.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92af7c045c412878d82935956215976.png)
您最近一年使用:0次