圆O和圆A相交于C,D两点,A,O分别为两圆的圆心,三角形ABC内接于圆O,弦CD交AB于G,交圆O的直径AE于F,连(1)求证:三角形ACG相似于三角形DBG(2)求证:AC的平方=AG*AB(3)若圆A,圆B的直径分别为6根
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 16:46:23
![圆O和圆A相交于C,D两点,A,O分别为两圆的圆心,三角形ABC内接于圆O,弦CD交AB于G,交圆O的直径AE于F,连(1)求证:三角形ACG相似于三角形DBG(2)求证:AC的平方=AG*AB(3)若圆A,圆B的直径分别为6根](/uploads/image/z/10206457-25-7.jpg?t=%E5%9C%86O%E5%92%8C%E5%9C%86A%E7%9B%B8%E4%BA%A4%E4%BA%8EC%2CD%E4%B8%A4%E7%82%B9%2CA%2CO%E5%88%86%E5%88%AB%E4%B8%BA%E4%B8%A4%E5%9C%86%E7%9A%84%E5%9C%86%E5%BF%83%2C%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E5%86%85%E6%8E%A5%E4%BA%8E%E5%9C%86O%2C%E5%BC%A6CD%E4%BA%A4AB%E4%BA%8EG%2C%E4%BA%A4%E5%9C%86O%E7%9A%84%E7%9B%B4%E5%BE%84AE%E4%BA%8EF%2C%E8%BF%9E%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9A%E4%B8%89%E8%A7%92%E5%BD%A2ACG%E7%9B%B8%E4%BC%BC%E4%BA%8E%E4%B8%89%E8%A7%92%E5%BD%A2DBG%EF%BC%882%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9AAC%E7%9A%84%E5%B9%B3%E6%96%B9%3DAG%2AAB%EF%BC%883%EF%BC%89%E8%8B%A5%E5%9C%86A%2C%E5%9C%86B%E7%9A%84%E7%9B%B4%E5%BE%84%E5%88%86%E5%88%AB%E4%B8%BA6%E6%A0%B9)
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