已知如图,在△ABC中AD是角平分线,E是AB上一点,且AE=AC,EG平行BC,EG交AD于点G,求证:四边形EDCG是菱形
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![已知如图,在△ABC中AD是角平分线,E是AB上一点,且AE=AC,EG平行BC,EG交AD于点G,求证:四边形EDCG是菱形](/uploads/image/z/3578197-13-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E2%96%B3ABC%E4%B8%ADAD%E6%98%AF%E8%A7%92%E5%B9%B3%E5%88%86%E7%BA%BF%2CE%E6%98%AFAB%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94AE%3DAC%2CEG%E5%B9%B3%E8%A1%8CBC%2CEG%E4%BA%A4AD%E4%BA%8E%E7%82%B9G%2C%E6%B1%82%E8%AF%81%EF%BC%9A%E5%9B%9B%E8%BE%B9%E5%BD%A2EDCG%E6%98%AF%E8%8F%B1%E5%BD%A2)
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