1 . 一个空间几何体的三视图如图所示,则该几何体的表面积为
![](https://img.xkw.com/dksih/QBM/2016/11/15/1573148011216896/1573148016967680/STEM/d260620d0fae436fae366f4e00c0cdd1.png)
![](https://img.xkw.com/dksih/QBM/2016/11/15/1573148011216896/1573148016967680/STEM/d260620d0fae436fae366f4e00c0cdd1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 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,则它的体积为
![](https://img.xkw.com/dksih/QBM/2016/8/24/1572987384979456/1572987390779392/STEM/920cce12390f4199bfff8036364f42dc.png)
![](https://img.xkw.com/dksih/QBM/2016/8/24/1572987384979456/1572987390779392/STEM/920cce12390f4199bfff8036364f42dc.png)
A.48 | B.16 | C.32 | D.![]() |
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2016-12-04更新
|
438次组卷
|
3卷引用:2017届广西柳州市、钦州市高三第一次模拟考试数学(理)试卷
名校
3 . 在三棱锥
中,
为等边三角形,边长为
,
面
,
,则此三棱锥的外接球的表面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd35d0f4870f1a741ed46baa908019c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551e4cd76a93de89ea2750160fe74923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967f74b8993c61634ceed95edca05ffd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
339次组卷
|
3卷引用:2017届广西南宁二中等校高三8月联考数学(文)试卷
4 . 某几何体的三视图如图,则该几何体的体积为
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572929416380416/1572929422295040/STEM/139769552da347de821a3d247d99e830.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572929416380416/1572929422295040/STEM/139769552da347de821a3d247d99e830.png)
A.![]() | B.![]() | C.7 | D.8 |
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5 . 某几何体的三视图如图所示,则该几何体的体积等于__________ .
![](https://img.xkw.com/dksih/QBM/2016/10/26/1573095758815232/1573095764803584/STEM/b42b0a74703e46e3a1f12f47ce90335f.png?resizew=178)
您最近一年使用:0次
2016-12-04更新
|
404次组卷
|
2卷引用:2017届广西南宁二中等校高三8月联考数学(文)试卷
6 . 几何体的三视图如图所示,该几何体的体积是
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572934302015488/1572934307971072/STEM/d4568efa6899439ab9acea5aa001fbc0.png)
![](https://img.xkw.com/dksih/QBM/2016/7/22/1572934302015488/1572934307971072/STEM/d4568efa6899439ab9acea5aa001fbc0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 某四面体的三视图如图所示,正视图、侧视图、俯视图都是边长为1的正方形,则此四面体的外接球的体积为
![](https://img.xkw.com/dksih/QBM/2015/3/18/1572018274148352/1572018279628800/STEM/38b75c442fe14be0b7ea6b017ac853c3.png)
![](https://img.xkw.com/dksih/QBM/2015/3/18/1572018274148352/1572018279628800/STEM/38b75c442fe14be0b7ea6b017ac853c3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-03更新
|
384次组卷
|
3卷引用:2016届广西钦州市钦州港经济技术开发区中学高三上学期期末理科数学试卷
名校
8 . 已知三棱锥P﹣ABC(如图一)的平面展开图(如图二)中,四边形ABCD为边长等于
的正方形,△ABE和△BCF均为正三角形,在三棱锥P﹣ABC中:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/54a2892f-7640-4bf6-b39d-9632b925dce3.png?resizew=336)
(1)证明:平面PAC⊥平面ABC;
(2)若点M在棱PA上运动,当直线BM与平面PAC所成的角最大时,求三棱锥M﹣ABC的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/54a2892f-7640-4bf6-b39d-9632b925dce3.png?resizew=336)
(1)证明:平面PAC⊥平面ABC;
(2)若点M在棱PA上运动,当直线BM与平面PAC所成的角最大时,求三棱锥M﹣ABC的体积.
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9 . 某几何体是组合体,其三视图如图所示,则该几何体的体积为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/45a99794-8a45-45be-bd42-f0ff7c49eee8.png?resizew=198)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/45a99794-8a45-45be-bd42-f0ff7c49eee8.png?resizew=198)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
298次组卷
|
8卷引用:2017届广西高三上学期教育质量诊断性联合考试数学(理)试卷
10 . 三棱锥
的每个顶点都在表面积为
的球
的球面上,且
平面
,△
为等边三角形,
,则三棱锥
的体积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41ffdaecfb3c73d403179e5745c71a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95345846d2dd4dfa042a9093c62a8b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5181b97a7e43959b8455680157c3b644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41ffdaecfb3c73d403179e5745c71a8.png)
A.3 | B.![]() | C.![]() | D.![]() |
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