SOLUTION: angle B is supplementary to angle A which is 42 degrees. Determine m angle B?

Algebra ->  Angles -> SOLUTION: angle B is supplementary to angle A which is 42 degrees. Determine m angle B?      Log On


   

Question 889240: angle B is supplementary to angle A which is 42 degrees. Determine m angle B?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Supplementary:
A%2BB=180
42%2BB=180
B=138degrees