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1 . 如图中六棱柱的左视图是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/eaeb948c-a121-4a70-8370-bf94823baeac.png?resizew=89)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/eaeb948c-a121-4a70-8370-bf94823baeac.png?resizew=89)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 .
、
是正方体
的棱
、
的中点,如图是用过
、
、
和
、
、
的平面截去两个角后所得几何体,该几何体的主视图是( )
![](https://img.xkw.com/dksih/QBM/2021/11/25/2858782633107456/2861630313848832/STEM/08388d700274462caa7bb10e894a0e54.png?resizew=130)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/2021/11/25/2858782633107456/2861630313848832/STEM/08388d700274462caa7bb10e894a0e54.png?resizew=130)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 三个几何体组合的正视图和侧视图均为如下图所示,则下列图中能作为俯视图的个数为
![](https://img.xkw.com/dksih/QBM/2020/7/4/2498208036880384/2499893051531264/STEM/94268898f11b48f7b6826066b1a7126b.png?resizew=82)
![](https://img.xkw.com/dksih/QBM/2020/7/4/2498208036880384/2499893051531264/STEM/cab946e27353495ba2218662edd2e1f0.png?resizew=356)
![](https://img.xkw.com/dksih/QBM/2020/7/4/2498208036880384/2499893051531264/STEM/94268898f11b48f7b6826066b1a7126b.png?resizew=82)
![](https://img.xkw.com/dksih/QBM/2020/7/4/2498208036880384/2499893051531264/STEM/cab946e27353495ba2218662edd2e1f0.png?resizew=356)
A.1 | B.2 | C.3 | D.4 |
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2020-07-06更新
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7卷引用:广西贵港市2020届高三毕业班第四次高考模拟理科数学试题
广西贵港市2020届高三毕业班第四次高考模拟理科数学试题(已下线)专题07 三视图-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题04 立体几何——2020年高考真题和模拟题理科数学分项汇编(已下线)专题08 三视图-2020年高考数学(理)母题题源解密(全国Ⅲ专版)(已下线)专题09 三视图-2020年高考数学(文)母题题源解密(全国Ⅲ专版)四川省乐山市十校2020-2021学年高二上学期期中联考数学(文)试题四川省乐山市十校2020-2021学年高二上学期期中联考数学(理)试题
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4 . 四面体
及其三视图如图所示,平行于棱
,
的平面分别交四面体的棱
,
,
,
于点
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/bb359534-3808-45e1-a9eb-9ef1a8c00013.png?resizew=375)
(1) 求四面体
的体积;
(2)证明:四边形
是矩形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/bb359534-3808-45e1-a9eb-9ef1a8c00013.png?resizew=375)
(1) 求四面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)证明:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
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2019-12-28更新
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7卷引用:广西壮族自治区南宁市第三中学2019-2020学年高二上学期10月月考数学试题
5 . 某空间几何体的三视图中,有一个是正方形,则该空间几何体不可能是
A.圆柱 | B.圆锥 | C.棱锥 | D.棱柱 |
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2016-12-04更新
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5卷引用:2016届广西柳州高中高三4月高考模拟文科数学试卷