如图,在菱形ABCD中,E是AD的中点,EF⊥AC交CB的延长线于点F.(1)求证:DE=BF;(2)连接AF,BE,试判断四边形AFBE的形状并说明理由.
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![如图,在菱形ABCD中,E是AD的中点,EF⊥AC交CB的延长线于点F.(1)求证:DE=BF;(2)连接AF,BE,试判断四边形AFBE的形状并说明理由.](/uploads/image/z/1662161-41-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E8%8F%B1%E5%BD%A2ABCD%E4%B8%AD%2CE%E6%98%AFAD%E7%9A%84%E4%B8%AD%E7%82%B9%2CEF%E2%8A%A5AC%E4%BA%A4CB%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%BA%8E%E7%82%B9F%EF%BC%8E%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9ADE%3DBF%EF%BC%9B%EF%BC%882%EF%BC%89%E8%BF%9E%E6%8E%A5AF%2CBE%2C%E8%AF%95%E5%88%A4%E6%96%AD%E5%9B%9B%E8%BE%B9%E5%BD%A2AFBE%E7%9A%84%E5%BD%A2%E7%8A%B6%E5%B9%B6%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%EF%BC%8E)
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