解答题-证明题 适中0.65 引用1 组卷420
已知,矩形ABCD中,延长BC至E,使BE = BD,F为DE的中点,连结AF、CF.
![](https://img.xkw.com/dksih/QBM/2013/6/14/1573663228002304/1573663234334720/STEM/675a78d1b6c446a8bd0b4fd0d2348135.png)
(1)若AB = 3,AD = 4,求CF的长;
(2)求证:∠ADB = 2∠DAF.
![](https://img.xkw.com/dksih/QBM/2013/6/14/1573663228002304/1573663234334720/STEM/675a78d1b6c446a8bd0b4fd0d2348135.png)
(1)若AB = 3,AD = 4,求CF的长;
(2)求证:∠ADB = 2∠DAF.
12-13九年级下·重庆·阶段练习
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