如图所示,AB=AC,AB为圆O的直径,AC、BC分别交圆O于E、D,连ED、BE.当∠BAC为钝角时如图乙CA的延长线交圆O与点E,连接ED、BE,问DE与BD是否还相等?
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![如图所示,AB=AC,AB为圆O的直径,AC、BC分别交圆O于E、D,连ED、BE.当∠BAC为钝角时如图乙CA的延长线交圆O与点E,连接ED、BE,问DE与BD是否还相等?](/uploads/image/z/8225054-62-4.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2CAB%3DAC%2CAB%E4%B8%BA%E5%9C%86O%E7%9A%84%E7%9B%B4%E5%BE%84%2CAC%E3%80%81BC%E5%88%86%E5%88%AB%E4%BA%A4%E5%9C%86O%E4%BA%8EE%E3%80%81D%2C%E8%BF%9EED%E3%80%81BE.%E5%BD%93%E2%88%A0BAC%E4%B8%BA%E9%92%9D%E8%A7%92%E6%97%B6%E5%A6%82%E5%9B%BE%E4%B9%99CA%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%BA%A4%E5%9C%86O%E4%B8%8E%E7%82%B9E%2C%E8%BF%9E%E6%8E%A5ED%E3%80%81BE%2C%E9%97%AEDE%E4%B8%8EBD%E6%98%AF%E5%90%A6%E8%BF%98%E7%9B%B8%E7%AD%89%3F)
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