连接CM,则CM为斜边AB上的中线,就有：AM = CM ,∠CAM = ∠ACM .作图可知,点N和点C在斜边AB的两侧,已知,MN‖AC,可得：∠CAM = ∠AMN .因为,AM = AN ,所以,∠AMN = ∠ANM ；可得：∠CAM = ∠ACM = ∠AMN = ∠ANM .在△N...