(单项选择题)(易)(距离测量与直线定向)( ) (图片)

(单项选择题)(易)(距离测量与直线定向)( ) (图片)

A.70°30′(487.4,397.3)

B.10°10′(397.3,487.4)

C.70°30′(397.3,487.4)

D.190°10′(487.4,397.3)

正确答案是A