ADEACBE的知识精选

如图,在正方形ABCD外侧作等边三角形ADE,AC,BE相交于点F,则∠BFC为(  )A.45°      ...
问题详情:如图,在正方形ABCD外侧作等边三角形ADE,AC,BE相交于点F,则∠BFC为()A.45°                               B.55°             C.60°           ...
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