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3 December, 13:25

Mabel measured an angle on her math worksheet with her protractor. The angle measured 39°. If she were to draw an angle which was supplementary to the angle on her worksheet, what should that new angle measure? A. 141° B. 51° C. 129°

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  1. 3 December, 13:30
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    Supplementary means to be equal to 180 degrees.

    180 - 39 = 141

    The answer is A. 141 degrees.
  2. 3 December, 13:32
    0
    supplementary angles equal 180

    so 180-39=141

    A) 141 is the answer
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