57.18°化成度分秒的形式
问题描述：
57.18°化成度分秒的形式
答
解
57.18°
=57°+0.18°
=57°+60×0.18’
=57°+10.8'
=57°+10'+0.8'
=57°+10'+0.8''×60
=57°+10'+48''
=57°10'48