SOLUTION: if yu have an angle that measures 40 degrees what is the supplementary angle measure?

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Question 298127: if yu have an angle that measures 40 degrees what is the supplementary angle measure?
Answer by doncjones(3) About Me  (Show Source):
You can put this solution on YOUR website!
Supplementary angles must add up to 180 degrees.
180 - 40 = 140
so 140 degrees is supplementary to 40 degrees.