已知等腰三角形ABC中,AB=AC=5,BC=6,求三角形ABC外接圆的半径(2) 已知三角形三边长为3,则此三角形的内切圆半径为---
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![已知等腰三角形ABC中,AB=AC=5,BC=6,求三角形ABC外接圆的半径(2) 已知三角形三边长为3,则此三角形的内切圆半径为---](/uploads/image/z/3722268-12-8.jpg?t=%E5%B7%B2%E7%9F%A5%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2CAB%3DAC%3D5%2CBC%3D6%2C%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E5%A4%96%E6%8E%A5%E5%9C%86%E7%9A%84%E5%8D%8A%E5%BE%84%EF%BC%882%EF%BC%89+%E5%B7%B2%E7%9F%A5%E4%B8%89%E8%A7%92%E5%BD%A2%E4%B8%89%E8%BE%B9%E9%95%BF%E4%B8%BA3%EF%BC%8C%E5%88%99%E6%AD%A4%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E5%86%85%E5%88%87%E5%9C%86%E5%8D%8A%E5%BE%84%E4%B8%BA%EF%BC%8D%EF%BC%8D%EF%BC%8D)
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