已知,如图,AB是⊙O的直径,AD是弦,C是弧AB的中点,连结BC并延长与AD的延长线相交与点P,BE⊥DC,垂足为E,DF‖EB,交AB与点F,FH⊥BD,垂足为H,BC=4,CP=3.求(1)BD和DH的长,(2)BE•BF的值
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![已知,如图,AB是⊙O的直径,AD是弦,C是弧AB的中点,连结BC并延长与AD的延长线相交与点P,BE⊥DC,垂足为E,DF‖EB,交AB与点F,FH⊥BD,垂足为H,BC=4,CP=3.求(1)BD和DH的长,(2)BE•BF的值](/uploads/image/z/1648673-17-3.jpg?t=%E5%B7%B2%E7%9F%A5%2C%E5%A6%82%E5%9B%BE%2CAB%E6%98%AF%E2%8A%99O%E7%9A%84%E7%9B%B4%E5%BE%84%2CAD%E6%98%AF%E5%BC%A6%2CC%E6%98%AF%E5%BC%A7AB%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E8%BF%9E%E7%BB%93BC%E5%B9%B6%E5%BB%B6%E9%95%BF%E4%B8%8EAD%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E7%9B%B8%E4%BA%A4%E4%B8%8E%E7%82%B9P%2CBE%E2%8A%A5DC%2C%E5%9E%82%E8%B6%B3%E4%B8%BAE%2CDF%E2%80%96EB%2C%E4%BA%A4AB%E4%B8%8E%E7%82%B9F%2CFH%E2%8A%A5BD%2C%E5%9E%82%E8%B6%B3%E4%B8%BAH%2CBC%3D4%2CCP%3D3.%E6%B1%82%EF%BC%881%EF%BC%89BD%E5%92%8CDH%E7%9A%84%E9%95%BF%2C%EF%BC%882%EF%BC%89BE%26%238226%3BBF%E7%9A%84%E5%80%BC)
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