SOLUTION: What is the measure of a angle that is supplementary to an angle that measures 42 degrees?? :/ I have tried using "x" but that doesn't work.

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Question 866023: What is the measure of a angle that is supplementary to an angle that measures 42 degrees?? :/ I have tried using "x" but that doesn't work.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
A = 180° - 42° = 138°