31.34度化度分秒,

分类: 作业答案 • 2022-01-09 18:03:51

问题描述：

31.34度化度分秒,

答

31.34°
=31°+0.34°
=31°+(0.34×60)′
=31°+20.4′
=31°+20′+0.4′
=31°+20′+(0.4×60)″
=31°+20′+24″
=31°20′24″