1 . 如图所示,
为水平放置的
的直观图,其中
,
,
,则
的面积是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36511a452d4ec7a6919fda1d5bffc067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7de7173aa19790703fcc375ada6f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e912b1aed1dcf10a9677858f0b0c733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ab25321f41bc348d88ce366ce3c997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/ec67aba7-7e53-42cf-b390-9798193fafab.png?resizew=181)
您最近一年使用:0次
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2 . 已知
的平面直观图
是边长为
的正三角形,则原
的面积为______ .
![](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/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-06-06更新
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412次组卷
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2卷引用:黑龙江省哈尔滨市第九中学2021届高三下学期第五次模拟考试理科数学试题