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如图,在△ABC中,AB=AC,CD平分∠ACB交AB于点D,AE∥DC交BC的延长线于点E.已知∠E=36°,则∠B的度数为
A.54°
B.66°
C.72°
D.80°
如图,在△ABC中,AB=AC,CD平分∠ACB交AB于D点,AE∥DC交BC的延长线于点E,已知∠E=36°,则∠B=_______度.