问题
选择题
△ABC中，AB = AC，BD平分∠ABC交AC边于点D，∠BDC = 75°，则∠A的度数为[ ]
A.35°
B.40°
C.70°
D.110°
答案
答案：B
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△ABC中，AB = AC，BD平分∠ABC交AC边于点D，∠BDC = 75°，则∠A的度数为[ ]
A.35°
B.40°
C.70°
D.110°
答案：B