求一道平面几何题的答案(急!在△ABC中,BD和CE是高,G和F分别是BC和DE的终点,FG和DE有何特殊关系?回答并请说明理由.不说明理由的不加分噢!o(∩_∩)o 哈哈忘了说一句,“B,C,D,E在以BC为直径,G为
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![求一道平面几何题的答案(急!在△ABC中,BD和CE是高,G和F分别是BC和DE的终点,FG和DE有何特殊关系?回答并请说明理由.不说明理由的不加分噢!o(∩_∩)o 哈哈忘了说一句,“B,C,D,E在以BC为直径,G为](/uploads/image/z/6990245-53-5.jpg?t=%E6%B1%82%E4%B8%80%E9%81%93%E5%B9%B3%E9%9D%A2%E5%87%A0%E4%BD%95%E9%A2%98%E7%9A%84%E7%AD%94%E6%A1%88%EF%BC%88%E6%80%A5%21%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2CBD%E5%92%8CCE%E6%98%AF%E9%AB%98%2CG%E5%92%8CF%E5%88%86%E5%88%AB%E6%98%AFBC%E5%92%8CDE%E7%9A%84%E7%BB%88%E7%82%B9%2CFG%E5%92%8CDE%E6%9C%89%E4%BD%95%E7%89%B9%E6%AE%8A%E5%85%B3%E7%B3%BB%3F%E5%9B%9E%E7%AD%94%E5%B9%B6%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1.%E4%B8%8D%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%E7%9A%84%E4%B8%8D%E5%8A%A0%E5%88%86%E5%99%A2%21o%28%E2%88%A9_%E2%88%A9%29o+%E5%93%88%E5%93%88%E5%BF%98%E4%BA%86%E8%AF%B4%E4%B8%80%E5%8F%A5%EF%BC%8C%E2%80%9CB%2CC%2CD%2CE%E5%9C%A8%E4%BB%A5BC%E4%B8%BA%E7%9B%B4%E5%BE%84%2CG%E4%B8%BA)
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