1 . 如图,在多面体ABCDE中,
,
平面ABC,
,
,
,F为BC的中点,且
.
(1)求证:
平面ADF;
(2)求多面体ABCDE的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d7bd6df0e94731edb8f4649903de73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e405b53cf66f14c54e9ae1e2a013f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508f8d607c633e9b008d48ac3dcd22e2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/17/1b918c3b-eb0b-4714-8cea-a74d779d4793.png?resizew=135)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f445af1ae136773cb338920552ff2.png)
(2)求多面体ABCDE的体积.
您最近一年使用:0次
2020-02-24更新
|
233次组卷
|
2卷引用:重庆市第八中学2018-2019学年高二上学期期末(文)数学试题
15-16高三上·上海浦东新·期中
名校
2 . 如图,在四棱柱
中,侧棱
底面
,
,
,
,
,
,
,(
)
平面
;
(2)若直线
与平面
所成角的正弦值为
,求
的值;
(3)现将与四棱柱
形状和大小完全相同的两个四棱柱拼成一个新的四棱柱,规定:若拼成的新四棱柱形状和大小完全相同,则视为同一种拼接方案,问共有几种不同的拼接方案?在这些拼接成的新四棱柱中,记其中最小的表面积为
,写出
的解析式.(直接写出答案,不必说明理由)
![](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/86c0ad79161fb29ec231dd0248623ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9740124a284f336f20c98695af04ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5cab760038d20eac10fe6108fbb334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f991c5086ba855802b0331c4e02e3f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223036d27be5914db50fbd5cb19d4212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211ad5a06b505b8365a62c1946f3cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4e6eb3663870ed202cc208eaf239dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)现将与四棱柱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a84d7e5d6236009a8be655bd500fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a84d7e5d6236009a8be655bd500fd.png)
您最近一年使用:0次
2020-02-05更新
|
854次组卷
|
5卷引用:北京市一零一中学2021-2022学年高二上学期期末考试数学试题
北京市一零一中学2021-2022学年高二上学期期末考试数学试题(已下线)上海市华东师大二附中2016届高三上学期期中数学试题(已下线)上海市华东师范大学第二附属中学2020-2021学年高二下学期期中数学试题(已下线)第一章 空间向量与立体几何(压轴必刷30题4种题型专项训练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)辽宁省实验中学2024届高三考前模拟数学试卷
3 . 如图,
是圆柱体
的一条母线,
过底面圆的圆心
,
是圆
上不与
、
重合的任意一点,已知棱
,
,
.
与平面
所成角的大小;
(2)将四面体
绕母线
旋转一周,求
三边旋转过程中所围成的几何体的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270ddac9587bf1ea553914cb69595ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
(2)将四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f8f01137e92c0f2e63467036ae9cce.png)
您最近一年使用:0次
2020-01-16更新
|
486次组卷
|
6卷引用:上海市上海交通大学附属中学2021届高三上学期期末数学试题
上海市上海交通大学附属中学2021届高三上学期期末数学试题(已下线)专题03空间向量及其应用--高二期末考点大串讲(沪教版2020选修)2015届上海市闸北区高三下学期期中练习(二模)理科数学试卷(已下线)上海市华东师大二附中2017-2018学年高三上学期期中数学试题上海市七宝中学2022届高三高考冲刺模拟1数学试题上海市松江二中2023届高三下学期5月月考数学试题
4 . 在
中(如图1),
,
,
为线段
上的点,且
.以
为折线,把
翻折,得到如图所示2所示的图形,
为
的中点,且
,连接
.
![](https://img.xkw.com/dksih/QBM/2020/1/11/2374816886620160/2375317499437056/STEM/8631a7b3b3cf4e5baacc6545a3700802.png?resizew=454)
(1)求证:
;
(2)求四面体
外接球的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f186ea827f7becafd1ac4955e22c6812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43489497e188d5ab8ef3c88dcf50964a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a9ec45721f7b4d1c99917ac0d970f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed46a014ece6a0830c7c8b8deb2c56e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2020/1/11/2374816886620160/2375317499437056/STEM/8631a7b3b3cf4e5baacc6545a3700802.png?resizew=454)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a77e3c1c236141d6118429fade0a9b9d.png)
(2)求四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
名校
5 . 如图所示,在长方体
中,已知
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/612e8d8c-5443-4a2b-8f47-2b7d86cc26f4.png?resizew=238)
(1)求:凸多面体
的体积;
(2)若
为线段
的中点,求点
到平面
的距离;
(3)若点
、
分别在棱
、
上滑动,且线段
的长恒等于
,线段
的中点为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①试证:点
必落在过线段
的中点
且平行于底面
的平面上;
②试求点
的轨迹.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00cf7cae66d14f85bdf49a3f27b58f1b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/612e8d8c-5443-4a2b-8f47-2b7d86cc26f4.png?resizew=238)
(1)求:凸多面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bafc4b878c6a17de75dec17a22f0b74.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4cd2b33bd983a9ed6575b9de04a46a.png)
(3)若点
![](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/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①试证:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
②试求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2019-11-13更新
|
452次组卷
|
5卷引用:新疆乌鲁木齐市第101中学2022-2023学年高三下学期3月月考数学试题(文科)
新疆乌鲁木齐市第101中学2022-2023学年高三下学期3月月考数学试题(文科)2019年上海市上海中学高三下学期数学测试2数学试题(已下线)重难点06 解析几何-2021年高考数学【热点·重点·难点】专练(上海专用)(已下线)课时34 曲线和方程-2022年高考数学一轮复习小题多维练(上海专用)(已下线)第三章 空间轨迹问题 专题一 立体几何轨迹常见结论及常见解法 微点3 立体几何轨迹常见结论及常见解法综合训练【培优版】
6 . 被嘉定著名学者钱大昕赞誉为“国朝算学第一”的清朝数学家梅文鼎曾创造出一类“方灯体”,“灯者立方去其八角也”,如图所示,在棱长为
的正方体
中,点
为棱上的四等分点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/8033fbda-c25e-4863-bb8c-a41ceef63c4d.png?resizew=209)
(1)求该方灯体的体积;
(2)求直线
和
的所成角;
(3)求直线
和平面
的所成角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560b6c42bdce1d950245a5e1ed37537f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/8033fbda-c25e-4863-bb8c-a41ceef63c4d.png?resizew=209)
(1)求该方灯体的体积;
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a949c00526fddf435423272cf10f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be0c48c7f4a070e0d7f4de345679367.png)
(3)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0b46fa6746c09ef4120e7256326151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd8081131102151e01fcaf6ee67acd4.png)
您最近一年使用:0次
7 . 在平行四边形
中,
过
点作
的垂线交
的延长线于点
,
.连结
交
于点
,如图1,将
沿
折起,使得点
到达点
的位置.如图2.
证明:直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cdb19af3fe72be6542fb0d94f285b2.png)
若
为
的中点,
为
的中点,且平面
平面
求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc97c60d1d177f28113ea511a61d3931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6166b9a5437671bcba31e17c375eb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cdb19af3fe72be6542fb0d94f285b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b77a5c3865855fbb3d24f9522ced8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c707f0202ec1aa233e1eeacc7a4587d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48769011a648f0b274a3f1acb8531758.png)
![](https://img.xkw.com/dksih/QBM/2019/4/3/2174654959190016/2175408525426688/STEM/9a1066c8-fe22-4924-988d-24a33cc08c70.png)
您最近一年使用:0次
2019-04-04更新
|
912次组卷
|
8卷引用:安徽省淮北师范大学附中2019-2020学年高一上学期期末数学试题
18-19高一·全国·单元测试
名校
8 . 某个几何体的三视图如图所示(单位:m),
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/f07867f1-1ba6-4bf3-b25a-dc4c1acb897f.png?resizew=179)
(1)求该几何体的表面积(结果保留π);
(2)求该几何体的体积(结果保留π).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/f07867f1-1ba6-4bf3-b25a-dc4c1acb897f.png?resizew=179)
(1)求该几何体的表面积(结果保留π);
(2)求该几何体的体积(结果保留π).
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2019-02-09更新
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7卷引用:安徽省芜湖市2019-2020学年高二上学期期末数学(理)试题
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9 . 如图是一个长方体截去一个角所得的多面体的直观图及它的正(主)视图和侧(左)视图(单位:
).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/d953e5f2-f486-4371-98a8-65d80b1d5225.png?resizew=579)
(1)画出该多面体的俯视图;
(2)按照给出的尺寸,求该多面体的表面积;(尺寸如图)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97153bc3d02dfb38ee046487a8037a41.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/d953e5f2-f486-4371-98a8-65d80b1d5225.png?resizew=579)
(1)画出该多面体的俯视图;
(2)按照给出的尺寸,求该多面体的表面积;(尺寸如图)
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10 . 已知
是底面边长为1的正四棱柱,高
.求:
⑴异面直线
与
所成的角的大小(结果用反三角函数表示);
⑵四面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8456cee87c4e22351affc28f3a73a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
⑴异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
⑵四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ab6847b1e013d4adabe1aa339fab73.png)
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6卷引用:2011-2012学年上海市吴松中学高二年级期终考试数学
(已下线)2011-2012学年上海市吴松中学高二年级期终考试数学2011年上海市普通高中招生考试文科数学(已下线)课时44 几何体的表面积与体积-2022年高考数学一轮复习小题多维练(上海专用)上海市大同中学2020-2021学年高二下学期期中数学试题上海市控江中学2022-2023学年高二上学期期中数学试题上海市黄浦区向明中学2023-2024学年高二上学期期中数学试题