解题方法
1 . 如图,四棱锥
的三视图如图所示,则该四棱锥的侧面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/38fb3cc6-9ff1-4fdf-95cb-c3fefae97f08.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/38fb3cc6-9ff1-4fdf-95cb-c3fefae97f08.png?resizew=142)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-24更新
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324次组卷
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3卷引用:四川省乐山市2022-2023学年高二上学期期末数学文科试题
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解题方法
2 . 某几何体的正视图和侧视图如图所示,它的俯视图的直观图是
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1223faa576a4601620813aac86e563f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/9/0229ca89-b6c3-48d8-90a8-09fc1fed2da4.png?resizew=150)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/9/d51ed64c-04b3-43f2-83eb-5e4fbba529b6.png?resizew=178)
(1)画出该几何体的直观图;
(2)分别求该几何体的体积和表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1264a2e3609e1c274acb89b5ea5019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1223faa576a4601620813aac86e563f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/9/0229ca89-b6c3-48d8-90a8-09fc1fed2da4.png?resizew=150)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/9/d51ed64c-04b3-43f2-83eb-5e4fbba529b6.png?resizew=178)
(1)画出该几何体的直观图;
(2)分别求该几何体的体积和表面积.
您最近一年使用:0次
2018-02-07更新
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1017次组卷
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2卷引用:四川省乐山四校2017-2018学年高二第三学期半期联考数学(文科)试题