如图,Rt△ABC中,∠A=90°,点O在AC上,圆O切BC于点E,A在圆O上,若AB=5,AC=12,求圆O 的半径
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![如图,Rt△ABC中,∠A=90°,点O在AC上,圆O切BC于点E,A在圆O上,若AB=5,AC=12,求圆O 的半径](/uploads/image/z/3718915-43-5.jpg?t=%E5%A6%82%E5%9B%BE%2CRt%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0A%3D90%C2%B0%2C%E7%82%B9O%E5%9C%A8AC%E4%B8%8A%2C%E5%9C%86O%E5%88%87BC%E4%BA%8E%E7%82%B9E%2CA%E5%9C%A8%E5%9C%86O%E4%B8%8A%2C%E8%8B%A5AB%3D5%2CAC%3D12%2C%E6%B1%82%E5%9C%86O+%E7%9A%84%E5%8D%8A%E5%BE%84)
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