SOLUTION: What is the supplimental measurement of angle being 28 degree 48' 59"

You can put this solution on YOUR website!
Two angles that are supplemental add up to 180.
.
Basically, you subtract 28 degree 48' 59" from 180.
.
180 00 00
48 00 59
----------
.
179 59 60
-48 00 59
----------
131 59 01
.
That's 131 deg, 59 min, and 1 sec