名校
1 . 如图,AB为定圆O的直径,点P为半圆AB上的动点.过点P作AB的垂线,垂足为Q,过Q作OP的垂线,垂足为M.记弧AP的长为x,线段QM的长为y,则函数y=f(x)的大致图像是( )
![](https://img.xkw.com/dksih/QBM/2020/2/1/2389655336738816/2389698655698944/STEM/63762b29efcf4b559c59e63c885d487b.png?resizew=119)
![](https://img.xkw.com/dksih/QBM/2020/2/1/2389655336738816/2389698655698944/STEM/63762b29efcf4b559c59e63c885d487b.png?resizew=119)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-02-07更新
|
640次组卷
|
2卷引用:2016届上海市金山区高三上学期期末数学试题
2 . 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.![]() |
您最近一年使用:0次
解题方法
3 . 如图是一个几何体的三视图,根据图中的数据,计算该几何体的表面积为
![](https://img.xkw.com/dksih/QBM/2015/3/26/1572034495954944/1572034501345280/STEM/4ed5b5b691dc4e62b4b9cc8990be1552.png?resizew=257)
![](https://img.xkw.com/dksih/QBM/2015/3/26/1572034495954944/1572034501345280/STEM/4ed5b5b691dc4e62b4b9cc8990be1552.png?resizew=257)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
732次组卷
|
2卷引用:2016届山东省东营市胜利一中高三最后一卷理科数学试卷
2011·宁夏银川·一模
4 . 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