SOLUTION: please help!!! Angle B (sry don't know what symbol to use for angle) is supplementary to Angle A determine m(Angle)B Angle A = 42 degrees Thanks for helping.

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Question 141847: please help!!! Angle B (sry don't know what symbol to use for angle) is supplementary to Angle A determine m(Angle)B Angle A = 42 degrees Thanks for helping.
Answer by stanbon(48529) About Me  (Show Source):
You can put this solution on YOUR website!
Angle B (sry don't know what symbol to use for angle) is supplementary to Angle A determine m(Angle)B Angle A = 42 degrees
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A + B = 180 degrees
42 + B = 180
B = 180-42 = 138 degrees
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Cheers,
Stan H.