How do you convert #2.5^circ# to #D^circM'S''# form?
1 Answer
Oct 24, 2017
Explanation:
There are
So we find:
#2.5^@ = 2^@ + (0.5 * 60)' = 2^@30'#
If you want a seconds part, you could write this as
More generally, given a decimal number of degrees, proceed as follows:

Write down the whole part as the number of degrees and subtract it.

Multiply by
#60# to get the remainder as a number of minutes. 
Write down the whole part as the number of minutes and subtract it.

Multiply by
#60# to get the number of seconds.
Then you have a choice as to whether to specify the seconds as a decimal or round it to the nearest integer.