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8 October, 08:44

Two angles are supplementary. One of the angles measures (9n) degrees and the other angle measures (3n) degrees. a) what is the value of n? and b) what is the value of each angle measure?

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  1. 8 October, 09:09
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    a) n = 15

    b) 9n = 135, 3n = 45

    Step-by-step explanation:

    If the two angles are supplementary, the add up to 180. Solve using the equation (9n) + (3n) = 180:

    9n + 3n = 180

    12n = 180

    n = 15

    9n = 135

    3n = 45
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