已知如图,AB平行CD,试探究下列各图中∠B,∠D与∠E的关系,并写结论与证明必须要画辅助线来解决问题!
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![已知如图,AB平行CD,试探究下列各图中∠B,∠D与∠E的关系,并写结论与证明必须要画辅助线来解决问题!](/uploads/image/z/13345308-36-8.jpg?t=%E5%B7%B2%E7%9F%A5%E5%A6%82%E5%9B%BE%2CAB%E5%B9%B3%E8%A1%8CCD%2C%E8%AF%95%E6%8E%A2%E7%A9%B6%E4%B8%8B%E5%88%97%E5%90%84%E5%9B%BE%E4%B8%AD%E2%88%A0B%2C%E2%88%A0D%E4%B8%8E%E2%88%A0E%E7%9A%84%E5%85%B3%E7%B3%BB%2C%E5%B9%B6%E5%86%99%E7%BB%93%E8%AE%BA%E4%B8%8E%E8%AF%81%E6%98%8E%E5%BF%85%E9%A1%BB%E8%A6%81%E7%94%BB%E8%BE%85%E5%8A%A9%E7%BA%BF%E6%9D%A5%E8%A7%A3%E5%86%B3%E9%97%AE%E9%A2%98%21)
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