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8 October, 04:32

The measure of an angle is 140°. What is the measure of its supplementary angle

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Answers (2)
  1. 8 October, 04:41
    0
    40 degrees

    x + 140 = 180

    x = 40 degrees
  2. 8 October, 06:35
    0
    40 degrees

    Step-by-step explanation:

    Supplementary angles are angles in which their measures combined add up to 180 degrees. So we can set up an equation:

    140+x=180

    x=40

    So the other supplementary angle is 40 degrees
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