1 . 某个长方体被一个平面所截,得到的几何体的三视图如图所示,则这个几何体的体积为
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/5f972475-23d9-4387-a3e6-fbf8f03f9734.png?resizew=247)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/5f972475-23d9-4387-a3e6-fbf8f03f9734.png?resizew=247)
A.4 | B.![]() |
C.![]() | D.8 |
您最近一年使用:0次
2016-12-05更新
|
524次组卷
|
2卷引用:2017届安徽师大附中学高三上学期期中数学(理)试卷
2 . 体积为
的球
放置在棱长为4的正方体
上,且与上表面
相切,切点为该表面的中心,则四棱锥
的外接球的半径为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c83534c9f57d382cfbc302e4f0e1168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8456cee87c4e22351affc28f3a73a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca3d6b65812e2fb9b0334a07dcef046.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
321次组卷
|
3卷引用:2016届安徽省六安一中高三下组卷三理科数学试卷
3 . 一个几何体的三视图如图所示,已知这个几何体的体积为
,则h________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e4123975f257306440158659634c4a.png)
![](https://img.xkw.com/dksih/QBM/2014/1/15/1571482192715776/1571482197811200/STEM/1188d4ee-40db-4119-8dc8-8047d435c3c8.png?resizew=371)
您最近一年使用:0次
4 . 已知三棱锥
的各顶点都在一个半径为
的球面上,球心
在
上,
底面
,
,则球的体积与三棱锥体积之比是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d30637da200a07672ae231b4c5c09cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15daf416b2f00320b81844141143ee23.png)
您最近一年使用:0次
9-10高二下·甘肃陇南·期末
5 . 有一棱长为
的正方体框架,其内放置一个气球,使其充气且尽可能地膨胀(仍保持为球的形状),则气球表面积的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
11-12高一下·安徽安庆·期中
6 . E、F分别是边长为2的正方形ABCD的边BC、CD的中点,沿AE、EF和FA分别将△ABE、△ECF和△AFD折起,使B、C、D重合为一点G得到一个三棱锥G—AEF,则它的体积为
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
7 . 已知在梯形
中,
,
,
,
,将梯形
沿对角线
折叠成三棱锥
,当二面角
是直二面角时,三棱锥
的外接球的表面积为 .
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/7f65ee07c5fc4750a2e87f13a8aa036e.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/d318ecd9f02b483b86a85e02497ea5e5.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/25e203a3d7fe41f99f8530a9b7799c69.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/43fe2f7fa7d24bdea8b216597ec2aa58.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/7d05917338a64b6d8126429d4033f0f2.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/7f65ee07c5fc4750a2e87f13a8aa036e.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/43aacf26c0a84ad890c8cc28c1957167.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/9cb8299896684c69a8a2a0face246712.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/80581cf6ddfc4d5dbbed321b880e0c26.png)
![](https://img.xkw.com/dksih/QBM/2016/7/27/1572942638317568/1572942644510720/STEM/9cb8299896684c69a8a2a0face246712.png)
您最近一年使用:0次
8 . 一个几何体的三视图如图所示,其中侧视图与俯视图均为半径是2的圆,则这个几何体的体积是
![](https://img.xkw.com/dksih/QBM/2016/11/8/1573132249620480/1573132255502336/STEM/57079680974a4a6bbcb19bfaf8cbffaf.png)
![](https://img.xkw.com/dksih/QBM/2016/11/8/1573132249620480/1573132255502336/STEM/57079680974a4a6bbcb19bfaf8cbffaf.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
9 . 一个几何体的三视图如图所示,其中俯视图与左视图均为半径是
的圆,则这个几何体的体积是
![](https://img.xkw.com/dksih/QBM/2015/9/23/1572236327591936/1572236333285376/STEM/c3578207db7b4b0e86081e3eb8a2b326.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://img.xkw.com/dksih/QBM/2015/9/23/1572236327591936/1572236333285376/STEM/c3578207db7b4b0e86081e3eb8a2b326.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 某空间几何体的三视图如图所示,则此几何体的体积为
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277682126848/1572277687631872/STEM/0e360e075dab48efbc377c5c92649fe2.png)
![](https://img.xkw.com/dksih/QBM/2015/11/4/1572277682126848/1572277687631872/STEM/0e360e075dab48efbc377c5c92649fe2.png)
A.10 | B.15 | C.20 | D.30 |
您最近一年使用:0次