已知如图,菱形ABCD中,E是AB的中点,且DE⊥AB,AE=2.求:(1)∠ABC的度数; (2)对角线AC、BD的长;
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![已知如图,菱形ABCD中,E是AB的中点,且DE⊥AB,AE=2.求:(1)∠ABC的度数; (2)对角线AC、BD的长;](/uploads/image/z/650398-22-8.jpg?t=%E5%B7%B2%E7%9F%A5%E5%A6%82%E5%9B%BE%2C%E8%8F%B1%E5%BD%A2ABCD%E4%B8%AD%2CE%E6%98%AFAB%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E4%B8%94DE%E2%8A%A5AB%2CAE%3D2.%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89%E2%88%A0ABC%E7%9A%84%E5%BA%A6%E6%95%B0%EF%BC%9B+%EF%BC%882%EF%BC%89%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E3%80%81BD%E7%9A%84%E9%95%BF%EF%BC%9B)
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