矩形ABCD,E是BC上一点,三角形ABE沿AE翻折180°,点B落在点F处,延长AF与CD交于点G(1)\x05当BE:EC=2:1,求证:AG=1/2AB+CG(2)\x05在(1)的条件下,AB=√3BC,三角形EDC逆时针绕点E旋转,当射线ED1经过点A时停止旋转,
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![矩形ABCD,E是BC上一点,三角形ABE沿AE翻折180°,点B落在点F处,延长AF与CD交于点G(1)\x05当BE:EC=2:1,求证:AG=1/2AB+CG(2)\x05在(1)的条件下,AB=√3BC,三角形EDC逆时针绕点E旋转,当射线ED1经过点A时停止旋转,](/uploads/image/z/8850261-21-1.jpg?t=%E7%9F%A9%E5%BD%A2ABCD%2CE%E6%98%AFBC%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%89%E8%A7%92%E5%BD%A2ABE%E6%B2%BFAE%E7%BF%BB%E6%8A%98180%C2%B0%2C%E7%82%B9B%E8%90%BD%E5%9C%A8%E7%82%B9F%E5%A4%84%2C%E5%BB%B6%E9%95%BFAF%E4%B8%8ECD%E4%BA%A4%E4%BA%8E%E7%82%B9G%281%29%5Cx05%E5%BD%93BE%3AEC%3D2%3A1%2C%E6%B1%82%E8%AF%81%EF%BC%9AAG%3D1%2F2AB%2BCG%282%29%5Cx05%E5%9C%A8%EF%BC%881%EF%BC%89%E7%9A%84%E6%9D%A1%E4%BB%B6%E4%B8%8B%2CAB%3D%E2%88%9A3BC%2C%E4%B8%89%E8%A7%92%E5%BD%A2EDC%E9%80%86%E6%97%B6%E9%92%88%E7%BB%95%E7%82%B9E%E6%97%8B%E8%BD%AC%2C%E5%BD%93%E5%B0%84%E7%BA%BFED1%E7%BB%8F%E8%BF%87%E7%82%B9A%E6%97%B6%E5%81%9C%E6%AD%A2%E6%97%8B%E8%BD%AC%2C)
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