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11 February, 23:27

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

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  1. 11 February, 23:52
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    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.
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