三角形ABC的三个顶点都在圆O上,AC=BC,D为圆O中弧AB上的一点,延长DA至点E,使CE=CD,求(1)试说明AE=BD(2)求(1)试说明AE=BD(2)若AC垂直于BC,试说明AD+BD=根号2CD
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![三角形ABC的三个顶点都在圆O上,AC=BC,D为圆O中弧AB上的一点,延长DA至点E,使CE=CD,求(1)试说明AE=BD(2)求(1)试说明AE=BD(2)若AC垂直于BC,试说明AD+BD=根号2CD](/uploads/image/z/1961599-31-9.jpg?t=%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E4%B8%89%E4%B8%AA%E9%A1%B6%E7%82%B9%E9%83%BD%E5%9C%A8%E5%9C%86O%E4%B8%8A%2CAC%3DBC%2CD%E4%B8%BA%E5%9C%86O%E4%B8%AD%E5%BC%A7AB%E4%B8%8A%E7%9A%84%E4%B8%80%E7%82%B9%2C%E5%BB%B6%E9%95%BFDA%E8%87%B3%E7%82%B9E%2C%E4%BD%BFCE%3DCD%2C%E6%B1%82%281%29%E8%AF%95%E8%AF%B4%E6%98%8EAE%3DBD%282%29%E6%B1%82%281%29%E8%AF%95%E8%AF%B4%E6%98%8EAE%3DBD%282%29%E8%8B%A5AC%E5%9E%82%E7%9B%B4%E4%BA%8EBC%EF%BC%8C%E8%AF%95%E8%AF%B4%E6%98%8EAD%2BBD%3D%E6%A0%B9%E5%8F%B72CD)
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