已知:如图,AC=BD,AC∥BD,AB和CD相交于点O.求证:
≌
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f0f038ebe04ea9441bd5eedf069806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6398f2557943357934d2858366fdbb09.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/8/08e3f84b-c9b9-406c-87c0-3841c58384f6.png?resizew=170)
更新时间:2020-01-15 21:01:56
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【推荐2】如图,用尺规作图,并保留作图痕迹,ΔABC中,延长AC到E,使CE=CA,在线段AE与点B相异的一侧作∠CEM=∠A,延长BC交EM于点D,求证:ΔABC≌ΔEDC.
![](https://img.xkw.com/dksih/QBM/2019/4/24/2189258493861888/2189514900357120/STEM/1cca4fb95da748c4bd7cb0ae01200202.png?resizew=181)
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