如图在等腰梯形ABCD中AD//BC,AB=CD=5cm,AD=2出门,AE⊥BC于点E,DF⊥BC于点F,AE=4cm.(1)梯形ABCD的面积为_____.(2)点M、N分别在线段AE、DF上,顺次连接B、M、N、C,线段BM,MN,NC,CB所围成的封闭图形记为P,若点M在
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![如图在等腰梯形ABCD中AD//BC,AB=CD=5cm,AD=2出门,AE⊥BC于点E,DF⊥BC于点F,AE=4cm.(1)梯形ABCD的面积为_____.(2)点M、N分别在线段AE、DF上,顺次连接B、M、N、C,线段BM,MN,NC,CB所围成的封闭图形记为P,若点M在](/uploads/image/z/1352591-71-1.jpg?t=%E5%A6%82%E5%9B%BE%E5%9C%A8%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2ABCD%E4%B8%ADAD%2F%2FBC%2CAB%3DCD%3D5cm%2CAD%3D2%E5%87%BA%E9%97%A8%2CAE%E2%8A%A5BC%E4%BA%8E%E7%82%B9E%2CDF%E2%8A%A5BC%E4%BA%8E%E7%82%B9F%2CAE%3D4cm.%EF%BC%881%EF%BC%89%E6%A2%AF%E5%BD%A2ABCD%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA_____.%282%29%E7%82%B9M%E3%80%81N%E5%88%86%E5%88%AB%E5%9C%A8%E7%BA%BF%E6%AE%B5AE%E3%80%81DF%E4%B8%8A%2C%E9%A1%BA%E6%AC%A1%E8%BF%9E%E6%8E%A5B%E3%80%81M%E3%80%81N%E3%80%81C%2C%E7%BA%BF%E6%AE%B5BM%2CMN%2CNC%2CCB%E6%89%80%E5%9B%B4%E6%88%90%E7%9A%84%E5%B0%81%E9%97%AD%E5%9B%BE%E5%BD%A2%E8%AE%B0%E4%B8%BAP%2C%E8%8B%A5%E7%82%B9M%E5%9C%A8)
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