Question

Convert the angle 18°15'27" to decimal degrees and round to the nearest hundredth of a degree.
@agent0smith

Answer 1

All you need to do is treat the minutes and seconds as fractions of an hour.

so the 15' is really 15/60 (since there are 60 minutes in an hour)

the 27" is really 27/3600 (since there are 3600 seconds in an hour)

Now put it all together:

18°15'27" is

18 + 15/60 + 27/3600 = ??

Answer 2

Imagine the 1 hour as 1 degree.

Answer 3

18.2575?

Answer 4

rounded 18.26?