在RT△abc中,∠acb=90°,AC=5,cb=12,ad是△abc的∠a的平分线,过a、c、d三点的圆与斜边ab交于点e,连接DE.1,求证,AC=AE2,求△ACD外接圆的半径
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![在RT△abc中,∠acb=90°,AC=5,cb=12,ad是△abc的∠a的平分线,过a、c、d三点的圆与斜边ab交于点e,连接DE.1,求证,AC=AE2,求△ACD外接圆的半径](/uploads/image/z/13804510-22-0.jpg?t=%E5%9C%A8RT%E2%96%B3abc%E4%B8%AD%2C%E2%88%A0acb%3D90%C2%B0%2CAC%3D5%2Ccb%3D12%2Cad%E6%98%AF%E2%96%B3abc%E7%9A%84%E2%88%A0a%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BF%2C%E8%BF%87a%E3%80%81c%E3%80%81d%E4%B8%89%E7%82%B9%E7%9A%84%E5%9C%86%E4%B8%8E%E6%96%9C%E8%BE%B9ab%E4%BA%A4%E4%BA%8E%E7%82%B9e%2C%E8%BF%9E%E6%8E%A5DE.1%2C%E6%B1%82%E8%AF%81%2CAC%3DAE2%2C%E6%B1%82%E2%96%B3ACD%E5%A4%96%E6%8E%A5%E5%9C%86%E7%9A%84%E5%8D%8A%E5%BE%84)
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