SOLUTION: Angles A and B are supplementary. If A is 40°, what is the measure of B?

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Question 509911: Angles A and B are supplementary. If A is 40°, what is the measure of B?
Answer by unlockmath(1688) About Me  (Show Source):
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Hello,
Supplementary has to do with 180 degrees so if one angle is 40 then the other is 140 which adds up to 180.
Make sense?
RJ
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