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22 October, 06:28

Find the measure of each angle:

m<9 = 2x - 4

m<10 = 2x + 4

They are supplementary angles. I'm lost.

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Answers (1)
  1. 22 October, 06:53
    0
    Supplementary angles sum up to 180 degrees.

    2x - 4 + 2x + 4 = 180

    4x = 180

    x = 45

    Therefore,

    m<9 = 2 (45) - 4 = 90 - 4 = 86 degrees

    m<10 = 2x + 4 = 90 + 4 = 94 degrees.
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