如图,平行四边形的对角线AC,BD交于点O,已知BC=6,BD=12,AC=8,则
的周长为( )
![](https://img.xkw.com/dksih/QBM/2021/7/6/2758261557256192/2771789937909760/STEM/5faa00bd10f1442cbad00d4dd2c782fe.png?resizew=180)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7bd8bfbd43d0cf1604b8d7e0023f57.png)
![](https://img.xkw.com/dksih/QBM/2021/7/6/2758261557256192/2771789937909760/STEM/5faa00bd10f1442cbad00d4dd2c782fe.png?resizew=180)
A.13 | B.14 | C.16 | D.18 |
更新时间:2021-07-25 12:43:58
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【知识点】 利用平行四边形的性质求解解读
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【推荐2】如图,四边形ABCD中,AB=CD,AD∥BC,AE∥DC∠B=60°,BC=3,△ABE的周长为6,则四边形ABCD的周长是( ).
![](https://img.xkw.com/dksih/QBM/2019/7/13/2245999743041536/2282951104462848/STEM/924262a4-e9fa-4e1f-bc47-cd61ecc13197.png?resizew=117)
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A.8 | B.10 | C.12 | D.16 |
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