问题:
如图,∠1=∠2,∠3=40°,则∠4等于
A.120°
B.130°
C.140°
D.40°
如图,∠1=∠2,∠3=40°,则∠4等于
A.120°
B.130°
C.140°
D.40°
A.120°
B.130°
C.140°
D.40°
参考答案: