22-23高一·全国·课后作业
解题方法
1 . 某组合体的正视图和侧视图如图(1)所示,它的俯视图的直观图是图(2)所表示的平面图形,其中四边形
为平行四边形,
为
的中点,则图(2)中平行四边形
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352529b508315e10a9a078898c2ae8f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7bdf7e08e931ba7df81d0e88c43596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352529b508315e10a9a078898c2ae8f6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/3/5db4b72e-9c27-4cfe-aa36-28edfb229ee7.png?resizew=441)
A.12 | B.![]() | C.![]() | D.6 |
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