问题:
如图等边△ABC中,AB=AC,且AD垂直BC于点D,AD=AE,则∠EDC等于
A.10°
B.12.5°
C.15°
D.20°
如图等边△ABC中,AB=AC,且AD垂直BC于点D,AD=AE,则∠EDC等于
A.10°
B.12.5°
C.15°
D.20°
A.10°
B.12.5°
C.15°
D.20°
参考答案: