如图所示的直三棱柱
容器中,
,
,把容器装满水(容器厚度忽略不计),将侧面BCFE平放在桌面上,放水过程中,当水面高度为AB的一半时,剩余水量与原来水量的比值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/497d6a9b-740b-41ec-a49c-1c37dca8a915.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/986ba572d8373df48c996f8c8611498c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/497d6a9b-740b-41ec-a49c-1c37dca8a915.png?resizew=165)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-11-11 16:37:42
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【知识点】 柱体体积的有关计算
相似题推荐
单选题
|
较易
(0.85)
解题方法
【推荐1】某几何体的三视图如图所示(单位:
),则该几何体的体积(单位:
)是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/3f6106ff-0279-4bed-85b7-86ae5139b790.png?resizew=197)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97153bc3d02dfb38ee046487a8037a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b77fcbd8001b946d98b01b7d4999ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/3f6106ff-0279-4bed-85b7-86ae5139b790.png?resizew=197)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】现有一个封闭的正三棱柱容器,高为3,内装水若干(如图甲,底面处于水平状态),将容器放倒(如图乙,一个侧面处于水平状态),这时水面所在的平面
与各棱的交点分别为其所在棱的中点,则图甲中水面的高度为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/4b6f9788-2a93-43ad-a18c-f5b83d2a1dca.png?resizew=293)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d723c788c63d5f0861421548c5e6007a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/4b6f9788-2a93-43ad-a18c-f5b83d2a1dca.png?resizew=293)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次