1 . 如图,
为水平放置的
斜二测画法的直观图,且
,
,则
的周长为( )
![](https://img.xkw.com/dksih/QBM/2021/4/6/2694135469514752/2801409488691200/STEM/ee2651bb126e4923b247612baa724eb9.png?resizew=173)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98ab4e2fcfaf82a353376827267a3c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dd4c779006e5a53c994c95d8d124019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b8bc2ef02061a96e386db047c29100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://img.xkw.com/dksih/QBM/2021/4/6/2694135469514752/2801409488691200/STEM/ee2651bb126e4923b247612baa724eb9.png?resizew=173)
A.9 | B.10 | C.11 | D.12 |
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2021-09-05更新
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2卷引用:贵州省平塘民族中学2021-2022学年高二上学期第一次月考数学试题