如图,在△ABC中,AD是中线,△ABD的面积是3cm2,则△ABC的面积是_____ cm2.
![](https://img.xkw.com/dksih/QBM/2020/4/27/2450624107855872/2453480628035584/STEM/244df6214329486e9f42aef922382454.png?resizew=155)
更新时间:2020-05-01 19:22:01
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【知识点】 根据三角形中线求面积解读
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