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1 . 一水平放置的平面四边形
,用斜二测画法画出它的直观图
如图所示,此直观图恰好是一个边长为1的正方形,则原平面四边形
面积( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/55af89cf-63c3-4fc6-8d61-b1b7cc3f9a40.png?resizew=122)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4233de56a5741a7628bee5b98a384b05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/55af89cf-63c3-4fc6-8d61-b1b7cc3f9a40.png?resizew=122)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
名校
2 . 小强同学在上完“三角函数的图像与性质”后,兴致勃勃地画出函数
的部分图像,如图所示.但粗心的他却标错了一个数据,已知
轴上的数据完全正确.那么错误的数据是( )
![](https://img.xkw.com/dksih/QBM/2021/4/23/2705901218709504/2772732562792448/STEM/b1c840e2e2a34b30ba2d5a44b295b8c3.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8473a3081e3d5d20e98199eb2df4cc4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/2021/4/23/2705901218709504/2772732562792448/STEM/b1c840e2e2a34b30ba2d5a44b295b8c3.png?resizew=188)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次