如图所示,以长为2的定线段AB为边作正方形ABCD,取AB的中点P,连接PD,在BA的延长线上取点F,使PF=PD,以AF为边作正方形AMEF,点M在AD上.(1)如果AB=√5+1,求AM长;如图所示,以定线段AB为边作正方形ABCD
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![如图所示,以长为2的定线段AB为边作正方形ABCD,取AB的中点P,连接PD,在BA的延长线上取点F,使PF=PD,以AF为边作正方形AMEF,点M在AD上.(1)如果AB=√5+1,求AM长;如图所示,以定线段AB为边作正方形ABCD](/uploads/image/z/677599-7-9.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E4%BB%A5%E9%95%BF%E4%B8%BA2%E7%9A%84%E5%AE%9A%E7%BA%BF%E6%AE%B5AB%E4%B8%BA%E8%BE%B9%E4%BD%9C%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%2C%E5%8F%96AB%E7%9A%84%E4%B8%AD%E7%82%B9P%2C%E8%BF%9E%E6%8E%A5PD%2C%E5%9C%A8BA%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8A%E5%8F%96%E7%82%B9F%2C%E4%BD%BFPF%3DPD%2C%E4%BB%A5AF%E4%B8%BA%E8%BE%B9%E4%BD%9C%E6%AD%A3%E6%96%B9%E5%BD%A2AMEF%2C%E7%82%B9M%E5%9C%A8AD%E4%B8%8A%EF%BC%8E%EF%BC%881%EF%BC%89%E5%A6%82%E6%9E%9CAB%3D%E2%88%9A5%2B1%2C%E6%B1%82AM%E9%95%BF%EF%BC%9B%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%EF%BC%8C%E4%BB%A5%E5%AE%9A%E7%BA%BF%E6%AE%B5AB%E4%B8%BA%E8%BE%B9%E4%BD%9C%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD)
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