如图,四边形ABCD是平行四边形,对角线AC,BD交于点O,E是BC的中点,OE=3cm,则CD=____ cm.
![](https://img.xkw.com/dksih/QBM/2021/7/7/2758984189362176/2771892400316416/STEM/45e354133afb4910b9981555989ac412.png?resizew=237)
更新时间:2021-07-25 16:12:26
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【推荐1】平面直角坐标系中,已知平行四边形
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【推荐1】如图,□ABCD中,对角线AC、BD交于点O,点E是BC的中点.若OE=4,则CD的长为_______
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