如图,BC是圆O的直径,P是圆O上的点,A是弧BP的中点,AD⊥BC,垂足为D,PB分别与AD、AC相交于E、F(1)试说明AE=BE(2)当P在弧BC运动时(P不与B、C两点重合),试说明在什么情况下AE=EF,并证明
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![如图,BC是圆O的直径,P是圆O上的点,A是弧BP的中点,AD⊥BC,垂足为D,PB分别与AD、AC相交于E、F(1)试说明AE=BE(2)当P在弧BC运动时(P不与B、C两点重合),试说明在什么情况下AE=EF,并证明](/uploads/image/z/3718442-2-2.jpg?t=%E5%A6%82%E5%9B%BE%2CBC%E6%98%AF%E5%9C%86O%E7%9A%84%E7%9B%B4%E5%BE%84%2CP%E6%98%AF%E5%9C%86O%E4%B8%8A%E7%9A%84%E7%82%B9%2CA%E6%98%AF%E5%BC%A7BP%E7%9A%84%E4%B8%AD%E7%82%B9%2CAD%E2%8A%A5BC%2C%E5%9E%82%E8%B6%B3%E4%B8%BAD%2CPB%E5%88%86%E5%88%AB%E4%B8%8EAD%E3%80%81AC%E7%9B%B8%E4%BA%A4%E4%BA%8EE%E3%80%81F%EF%BC%881%EF%BC%89%E8%AF%95%E8%AF%B4%E6%98%8EAE%3DBE%EF%BC%882%EF%BC%89%E5%BD%93P%E5%9C%A8%E5%BC%A7BC%E8%BF%90%E5%8A%A8%E6%97%B6%EF%BC%88P%E4%B8%8D%E4%B8%8EB%E3%80%81C%E4%B8%A4%E7%82%B9%E9%87%8D%E5%90%88%EF%BC%89%2C%E8%AF%95%E8%AF%B4%E6%98%8E%E5%9C%A8%E4%BB%80%E4%B9%88%E6%83%85%E5%86%B5%E4%B8%8BAE%3DEF%2C%E5%B9%B6%E8%AF%81%E6%98%8E)
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