如图,在□ABCD中,BC=4,CD=6,点E是AB边上的中点,将△BCE沿CE翻折得△FCE,连结DF,射线CF交直线DA于点P,当∠CPD=90°时,△DCF的面积是_________ .
![](https://img.xkw.com/dksih/QBM/2019/5/28/2213309590355968/2217516681011200/STEM/5fa0374d56fc4cfca77fc57edb7d78be.png?resizew=173)
更新时间:2019-06-03 10:12:08
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【推荐1】在平面直角坐标系
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