如下图所示,AB为圆O的直径,CB切圆O于B,CD切圆O于D交BA的延长线于E,若ED=2,BC=3,则圆的半径是(图有些不标准)求详解
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![如下图所示,AB为圆O的直径,CB切圆O于B,CD切圆O于D交BA的延长线于E,若ED=2,BC=3,则圆的半径是(图有些不标准)求详解](/uploads/image/z/1603145-65-5.jpg?t=%E5%A6%82%E4%B8%8B%E5%9B%BE%E6%89%80%E7%A4%BA%2CAB%E4%B8%BA%E5%9C%86O%E7%9A%84%E7%9B%B4%E5%BE%84%2CCB%E5%88%87%E5%9C%86O%E4%BA%8EB%2CCD%E5%88%87%E5%9C%86O%E4%BA%8ED%E4%BA%A4BA%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%BA%8EE%2C%E8%8B%A5ED%3D2%2CBC%3D3%2C%E5%88%99%E5%9C%86%E7%9A%84%E5%8D%8A%E5%BE%84%E6%98%AF%EF%BC%88%E5%9B%BE%E6%9C%89%E4%BA%9B%E4%B8%8D%E6%A0%87%E5%87%86%EF%BC%89%E6%B1%82%E8%AF%A6%E8%A7%A3)
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