1 . 某几何体的主视图和左视图如图(1),它的俯视图的直观图是矩形
如图(2),其中
,
,则该几何体的侧面积为
![](https://img.xkw.com/dksih/QBM/2016/10/13/1573068666142720/1573068672049152/STEM/c3516a0705d44787a3a99be752b35af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0f887af1eec4dcf7baa05767ac9054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736e3ec9630a73fc726e9daebb247b77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a46a62d439e64e696b692b88d35235.png)
![](https://img.xkw.com/dksih/QBM/2016/10/13/1573068666142720/1573068672049152/STEM/c3516a0705d44787a3a99be752b35af0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
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8卷引用:2015-2016学年辽宁瓦房店市高级中学高二下期末数学(理)试卷
2015-2016学年辽宁瓦房店市高级中学高二下期末数学(理)试卷2015-2016学年辽宁瓦房店市高级中学高二下期末数学(文)试卷(已下线)专题8.1 空间几何体的结构、三视图和直观图(练)【理】-《2020年高考一轮复习讲练测》(已下线)理科数学-6月大数据精选模拟卷05(新课标Ⅱ卷)(满分冲刺篇)(已下线)理科数学-6月大数据精选模拟卷05(新课标Ⅲ卷)(满分冲刺篇)(已下线)文科数学-6月大数据精选模拟卷05(新课标Ⅲ卷)(满分冲刺篇)(已下线)文科数学-6月大数据精选模拟卷05(新课标Ⅱ卷)(满分冲刺篇)河南省豫西名校2020-2021学年上期第二次联考高一数学试题
2 . 如图所示,四边形ABCD为矩形,四边形ADEF为梯形,AD∥FE,∠AFE=60°,且平面ABCD⊥平面ADEF,AF=FE=AB=
AD=2,点G为AC的中点.
![](https://img.xkw.com/dksih/QBM/2016/10/13/1573068666142720/1573068672376832/STEM/65411056a9f0470897393f08e23f925e.png)
(1)求证:EG∥平面ABF;
(2)求三棱锥B-AEG的体积;
(3)试判断平面BAE与平面DCE是否垂直?若垂直,请证明;若不垂直,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/2016/10/13/1573068666142720/1573068672376832/STEM/65411056a9f0470897393f08e23f925e.png)
(1)求证:EG∥平面ABF;
(2)求三棱锥B-AEG的体积;
(3)试判断平面BAE与平面DCE是否垂直?若垂直,请证明;若不垂直,请说明理由.
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3 . 在如图所示三棱锥D—ABC中,
,
,
,∠BAC=45°,平面![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853924352/STEM/76c45eb1c581497a8e70ea14a9fc2bf5.png)
平面
,
分别在
,且
,
.
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853924352/STEM/a1b2959017be40b9b35bcbbd39221d8f.png)
(Ⅰ)求证:BC⊥AD;
(Ⅱ)求平面
将三棱锥
分成两部分的体积之比.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ab4d12ad313f0087c6e32d5118ba28.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853924352/STEM/b94ca5e6c67845e3a3e6e386ddbe223e.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853924352/STEM/4f864010335343559fcee6e73031a9e6.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853924352/STEM/76c45eb1c581497a8e70ea14a9fc2bf5.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853924352/STEM/b486383c62754a8db6758186840b4685.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853924352/STEM/e8e8b42587c34bc9852baaee8bf213d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5016f2cf1328d15d090597514b63045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef5cd98b966be5eaba09cabfe4e4ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b920a62fd9298e1076d265bd2d2e99d6.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853924352/STEM/a1b2959017be40b9b35bcbbd39221d8f.png)
(Ⅰ)求证:BC⊥AD;
(Ⅱ)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef7775dc7f33df1a1205247431e607c.png)
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4 . 在三棱锥
中,
,
,
,
为
的三等分点.
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/9c8e9e0906b0448a9fa746715365bdb0.png)
(1)求证:面
面
.
(2)求:
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/f21298ce41074b068351b25c00de8957.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/932938df8b5941a3b0b73d74cd21c049.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/4fa6f82f347d47fd980a56513ff0e82a.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/41bc69c2feae4e1496323464375e301a.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/ddb78d5226ee49d0b29a341759e084ce.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/7f1b95d8c5e84e2ba5fc711627a9a246.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/9c8e9e0906b0448a9fa746715365bdb0.png)
(1)求证:面
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/f3727289b6b94c6081bac9d91a05fed7.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/6d87f781145646d9966cdc16cf58394b.png)
(2)求:
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681425408/STEM/14c4fd2eb48345259e8e2586baf4eb05.png)
您最近一年使用:0次
解题方法
5 . 已知正三角形
边长为2,将它沿高
翻折,使点B与点C间的距离为
,此时四面体
的外接球的表面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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6 . 如图,三棱锥
中,
底面
为等边三角形,
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/2016/6/27/1572833150722048/1572833156743168/STEM/5bed39a25af64944976f50ac7d31e304.png?resizew=211)
(1)证明:平面
平面
;
(2)如何在
上找一点
,使
平面
并说明理由;
(3)若
,对于(2)中的点
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3872af9a248d78d6b56a8a9912412a2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f24c60248a8f0ae275bc69025c0f5a.png)
![](https://img.xkw.com/dksih/QBM/2016/6/27/1572833150722048/1572833156743168/STEM/5bed39a25af64944976f50ac7d31e304.png?resizew=211)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a26a7784c7419d8359fb119c8ecc03d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)如何在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810ee7bc82b6f452afb3fc18691abc3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90da0522dd9378bab25de2f560aec563.png)
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2016-12-04更新
|
547次组卷
|
2卷引用:2015-2016学年辽宁省庄河市高中高一下期中文科数学试卷
7 . 正四棱柱
底面边长为2,高
,
在球
上,球
与
交于
,与
交于
,且
垂直
,则球
的表面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8456cee87c4e22351affc28f3a73a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7e8dd831f4edc711c0f7d5f078f625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554b3b4c5ce7aca81becc07ed4903736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 某几何体的三视图如图所示,其中俯视图中圆的直径为4,该几何体的表面积为
![](https://img.xkw.com/dksih/QBM/2016/9/9/1573011260375040/1573011266060288/STEM/3a78b27613f6423f9ffbc39d63ee43d7.png)
![](https://img.xkw.com/dksih/QBM/2016/9/9/1573011260375040/1573011266060288/STEM/3a78b27613f6423f9ffbc39d63ee43d7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
402次组卷
|
3卷引用:2016届辽宁大连八中、二十四中高三联合模拟理数学试卷
9 . 已知正三角形
边长为2,将它沿高
翻折,使点
与点
间的距离为
,此时四面体
的外接球的表面积为___________ .
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572928556785664/1572928562724864/STEM/3bb1e3ab06f94036a28deff6f5583043.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572928556785664/1572928562724864/STEM/f56dc481f9154e43810d6130bf5c125c.png?resizew=28)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572928556785664/1572928562724864/STEM/88a9047f558045d8832caba0e9ac3b60.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572928556785664/1572928562724864/STEM/6925b579ca8845ea9c19dc594d6bb704.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572928556785664/1572928562724864/STEM/0781899a95304e6b8bda602449e186be.png?resizew=24)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572928556785664/1572928562724864/STEM/f6a9269044ae4f179e11ebcc3a43cf53.png?resizew=48)
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2016-12-04更新
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2卷引用:2016届辽宁大连八中、二十四中高三联合模拟理数学试卷
名校
10 . 如图,网格纸上小正方形的边长为1,粗线画出的是某几何体的三视图,则该几何体的表面积为
![](https://img.xkw.com/dksih/QBM/2016/3/29/1572563043155968/1572563049078784/STEM/8543ba79-cc4b-4c91-9529-35c9b80770a3.png?resizew=266)
![](https://img.xkw.com/dksih/QBM/2016/3/29/1572563043155968/1572563049078784/STEM/8543ba79-cc4b-4c91-9529-35c9b80770a3.png?resizew=266)
A.96 |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2016-12-04更新
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995次组卷
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8卷引用:辽宁省大连市旅顺中学、旅顺第二高级中学、大连市第三中学2018届高三第二次联考数学(文)试题