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初中数学八年级上册试题库(555题)


如图,\(\angle ABC = 40^\circ \)\(BD\)平分\(\angle ABC\),过\(D\)\(DE//AB\)\(BC\)于点\(E\),若点\(F\)\(AB\)上,且满足\(DF = DE\),则\(\angle DFB\)的度数为___



知识点:第十三章 轴对称


参考答案:\(40^\circ \)或\(140^\circ \)

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