来自胡立坤的问题
【如图,在△ABC中,AB=AC,点D在BC上,且∠BAD=∠DAC=30°,点E在AC上,且AD=AE,则∠EDC的度数为()A.10°B.15°C.20°D.30°】
如图,在△ABC中,AB=AC,点D在BC上,且∠BAD=∠DAC=30°,点E在AC上,且AD=AE,则∠EDC的度数为()
A.10°
B.15°
C.20°
D.30°
1回答
2020-03-04 16:47