问题:
如图,在△ABC中,AB=AC,BD是∠ABC的平分线,∠ACB=80°,则∠BDC的度数是
A.50°
B.60°
C.70°
D.80°
如图,在△ABC中,AB=AC,BD是∠ABC的平分线,∠ACB=80°,则∠BDC的度数是
A.50°
B.60°
C.70°
D.80°
A.50°
B.60°
C.70°
D.80°
参考答案: