1 . 某几何体的三视图如图
所示,当
最大时,该几何体的体积为
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572671024291840/1572671030132736/STEM/cb9bf75668d740d382650cec879e5a3b.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572671024291840/1572671030132736/STEM/036b820983ef427e9cdadcce5fd15092.png)
图![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572671024291840/1572671030132736/STEM/cb9bf75668d740d382650cec879e5a3b.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572671024291840/1572671030132736/STEM/036b820983ef427e9cdadcce5fd15092.png)
图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2011·宁夏银川·一模
2 . 已知一个空间几何体的三视图如图1所示,其中正视图、侧视图都是由半圆和矩形组成,根据图中标出的尺寸,可得这个几何体的表面积是
![](https://img.xkw.com/dksih/QBM/2012/6/29/1570905129082880/1570905134292992/STEM/6f095b909658476a9d3a4865ba815588.png)
![](https://img.xkw.com/dksih/QBM/2012/6/29/1570905129082880/1570905134292992/STEM/6f095b909658476a9d3a4865ba815588.png)
A.4![]() | B.7![]() |
C.6![]() | D.5![]() |
您最近一年使用:0次