如图,在正方形ABCD中,AB=4,E是BC上一点,F是CD上一点,且AE=AF,设S三角形AEF=y,EC=x (详细回答)1.求y关于x的函数关系式2.当三角形AEF是正三角形时,求三角形AEF的面积关键是第二问,第一问解出来了解
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![如图,在正方形ABCD中,AB=4,E是BC上一点,F是CD上一点,且AE=AF,设S三角形AEF=y,EC=x (详细回答)1.求y关于x的函数关系式2.当三角形AEF是正三角形时,求三角形AEF的面积关键是第二问,第一问解出来了解](/uploads/image/z/8905011-51-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E4%B8%AD%2CAB%3D4%2CE%E6%98%AFBC%E4%B8%8A%E4%B8%80%E7%82%B9%2CF%E6%98%AFCD%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94AE%3DAF%2C%E8%AE%BES%E4%B8%89%E8%A7%92%E5%BD%A2AEF%3Dy%2CEC%3Dx+%EF%BC%88%E8%AF%A6%E7%BB%86%E5%9B%9E%E7%AD%94%EF%BC%891.%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%8F2.%E5%BD%93%E4%B8%89%E8%A7%92%E5%BD%A2AEF%E6%98%AF%E6%AD%A3%E4%B8%89%E8%A7%92%E5%BD%A2%E6%97%B6%2C%E6%B1%82%E4%B8%89%E8%A7%92%E5%BD%A2AEF%E7%9A%84%E9%9D%A2%E7%A7%AF%E5%85%B3%E9%94%AE%E6%98%AF%E7%AC%AC%E4%BA%8C%E9%97%AE%2C%E7%AC%AC%E4%B8%80%E9%97%AE%E8%A7%A3%E5%87%BA%E6%9D%A5%E4%BA%86%E8%A7%A3)
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