如图,在等腰梯形ABCD中,AD∥BC,AE⊥BC于点E.DF⊥BC于点F.AD=2cm,BC=6cm,AE=4cm.点P、Q分别在线段AE、DF上,顺次连接B、P、Q、C,线段BP、PQ、QC、CB所围成的封闭图形记为M,若点P在线段AE上运动时,点Q也
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![如图,在等腰梯形ABCD中,AD∥BC,AE⊥BC于点E.DF⊥BC于点F.AD=2cm,BC=6cm,AE=4cm.点P、Q分别在线段AE、DF上,顺次连接B、P、Q、C,线段BP、PQ、QC、CB所围成的封闭图形记为M,若点P在线段AE上运动时,点Q也](/uploads/image/z/2121500-20-0.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%E2%88%A5BC%2CAE%E2%8A%A5BC%E4%BA%8E%E7%82%B9E%EF%BC%8EDF%E2%8A%A5BC%E4%BA%8E%E7%82%B9F%EF%BC%8EAD%3D2cm%2CBC%3D6cm%2CAE%3D4cm%EF%BC%8E%E7%82%B9P%E3%80%81Q%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%81P%E3%80%81Q%E3%80%81C%2C%E7%BA%BF%E6%AE%B5BP%E3%80%81PQ%E3%80%81QC%E3%80%81CB%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%BAM%2C%E8%8B%A5%E7%82%B9P%E5%9C%A8%E7%BA%BF%E6%AE%B5AE%E4%B8%8A%E8%BF%90%E5%8A%A8%E6%97%B6%2C%E7%82%B9Q%E4%B9%9F)
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