如图,AB是⊙O的直径,C是BC弧的中点,CE⊥AB于E,BD交CE于点F. 1 求证 CF=BF 2 若CD=6,AC=8,则⊙O的径为----,CE的长是--要过程,急
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![如图,AB是⊙O的直径,C是BC弧的中点,CE⊥AB于E,BD交CE于点F. 1 求证 CF=BF 2 若CD=6,AC=8,则⊙O的径为----,CE的长是--要过程,急](/uploads/image/z/11512700-44-0.jpg?t=%E5%A6%82%E5%9B%BE%2CAB%E6%98%AF%E2%8A%99O%E7%9A%84%E7%9B%B4%E5%BE%84%2CC%E6%98%AFBC%E5%BC%A7%E7%9A%84%E4%B8%AD%E7%82%B9%2CCE%E2%8A%A5AB%E4%BA%8EE%2CBD%E4%BA%A4CE%E4%BA%8E%E7%82%B9F.+1+%E6%B1%82%E8%AF%81+CF%3DBF+2+%E8%8B%A5CD%3D6%2CAC%3D8%2C%E5%88%99%E2%8A%99O%E7%9A%84%E5%BE%84%E4%B8%BA----%2CCE%E7%9A%84%E9%95%BF%E6%98%AF--%E8%A6%81%E8%BF%87%E7%A8%8B%2C%E6%80%A5)
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