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Two angles are supplementary. The first angle measures 40°. What is the measurement of the second angle?
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Two angles are supplementary. The first angle measures 40°. What is the measurement of the second angle?

User Artem Abramov
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1 Answer

6 votes
Supplementary angles add up to 180 degrees, so all you need to do here is subtract 40 from 180.

180 - 40 = 140.

The second angle is 140 degrees.
User HBomb
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