题目

What is your father's job? He is a hotel m. 答案：【1】manager如图，四边形ABDC中，△EDC是由△ABC绕顶点C旋转40°所得，顶点A恰好转到AB上一点E的位置，则∠1+∠2=A.90°B.100°C.110°D.120°