如图,正方形ABCD的边长为4,点P是线段AD(含端点A,D)上任意一点,以线段AP为对角线做正方形AEPF(1)若AP=2,求BE的长.(2)当AP的长为多少时,BE的长最小,最小值是多少?(不用说明理由)
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![如图,正方形ABCD的边长为4,点P是线段AD(含端点A,D)上任意一点,以线段AP为对角线做正方形AEPF(1)若AP=2,求BE的长.(2)当AP的长为多少时,BE的长最小,最小值是多少?(不用说明理由)](/uploads/image/z/11345904-0-4.jpg?t=%E5%A6%82%E5%9B%BE%2C%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E7%9A%84%E8%BE%B9%E9%95%BF%E4%B8%BA4%2C%E7%82%B9P%E6%98%AF%E7%BA%BF%E6%AE%B5AD%EF%BC%88%E5%90%AB%E7%AB%AF%E7%82%B9A%2CD%EF%BC%89%E4%B8%8A%E4%BB%BB%E6%84%8F%E4%B8%80%E7%82%B9%2C%E4%BB%A5%E7%BA%BF%E6%AE%B5AP%E4%B8%BA%E5%AF%B9%E8%A7%92%E7%BA%BF%E5%81%9A%E6%AD%A3%E6%96%B9%E5%BD%A2AEPF%EF%BC%881%EF%BC%89%E8%8B%A5AP%3D2%2C%E6%B1%82BE%E7%9A%84%E9%95%BF.%EF%BC%882%EF%BC%89%E5%BD%93AP%E7%9A%84%E9%95%BF%E4%B8%BA%E5%A4%9A%E5%B0%91%E6%97%B6%2CBE%E7%9A%84%E9%95%BF%E6%9C%80%E5%B0%8F%2C%E6%9C%80%E5%B0%8F%E5%80%BC%E6%98%AF%E5%A4%9A%E5%B0%91%3F%EF%BC%88%E4%B8%8D%E7%94%A8%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%EF%BC%89)
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