已知
的平面直观图
是边长为
的等边三角形,则
的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7310211fcb027421880aa21d57802594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2017-10-12 17:20:19
|
【知识点】 斜二测画法中有关量的计算
相似题推荐
单选题
|
较易
(0.85)
【推荐1】一水平放置的平面四边形
的直观图
如图所示,其中
,
轴,
轴,
轴,则四边形
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/4/8774b280-99e9-47ff-82be-4b1d81d5f6b7.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352529b508315e10a9a078898c2ae8f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb6cf3f1e811caa20ad0e5b331a2f82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d60cf1fef58471ca6052d27b9ab2592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5741c288a14abc0b808b13722f45ae2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9185494c0937fcbb4c40b0b70167b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/4/8774b280-99e9-47ff-82be-4b1d81d5f6b7.png?resizew=175)
A.18 | B.![]() | C.![]() | D.12 |
您最近一年使用:0次
单选题
|
较易
(0.85)
解题方法
【推荐2】用斜二测画法作出
的水平放置的直观图
,如图所示,其中
,
,则
绕AC所在直线旋转一周后所形成的几何体的侧面积为( )
![](https://img.xkw.com/dksih/QBM/2022/7/7/3017651300950016/3025018044481536/STEM/9131835a955144239df969b6398bac55.png?resizew=190)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa21a08180e87b9fe76ae4578f04b8aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edde249778f2496c94ffa0ec13300b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2022/7/7/3017651300950016/3025018044481536/STEM/9131835a955144239df969b6398bac55.png?resizew=190)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次