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如图,在菱形ABCD中,∠A=110°,点E是菱形ABCD内一点,连接CE,将线段CE绕点C顺时针旋转110°,得到线段CF,连接BE,DF.若∠E=86°,求∠F的度数.
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教案备课库《初三年级数学同修学案(201532022B)》真题及答案
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