如图,在三角形ABC中,角A=60°,AC=8,AB=10,动圆如图,在△ABC中,∠A=60°,AC=8,AB=10,动圆⊙O分别与边AB、AC相切与E、F,若⊙O的面积为y,AE=x.(1) 求y关于x的函数关系式(2) 当⊙O与△ABC的三边都相切时,求
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![如图,在三角形ABC中,角A=60°,AC=8,AB=10,动圆如图,在△ABC中,∠A=60°,AC=8,AB=10,动圆⊙O分别与边AB、AC相切与E、F,若⊙O的面积为y,AE=x.(1) 求y关于x的函数关系式(2) 当⊙O与△ABC的三边都相切时,求](/uploads/image/z/10414362-66-2.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E8%A7%92A%3D60%C2%B0%2CAC%3D8%2CAB%3D10%2C%E5%8A%A8%E5%9C%86%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0A%3D60%C2%B0%2CAC%3D8%2CAB%3D10%2C%E5%8A%A8%E5%9C%86%E2%8A%99O%E5%88%86%E5%88%AB%E4%B8%8E%E8%BE%B9AB%E3%80%81AC%E7%9B%B8%E5%88%87%E4%B8%8EE%E3%80%81F%2C%E8%8B%A5%E2%8A%99O%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BAy%2CAE%3Dx.%EF%BC%881%EF%BC%89+%E6%B1%82y%E5%85%B3%E4%BA%8Ex%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F%EF%BC%882%EF%BC%89+%E5%BD%93%E2%8A%99O%E4%B8%8E%E2%96%B3ABC%E7%9A%84%E4%B8%89%E8%BE%B9%E9%83%BD%E7%9B%B8%E5%88%87%E6%97%B6%2C%E6%B1%82)
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