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19 August, 14:47

Two angles are supplementary. The measure of one angle is 10 more than three times the other. Find the measure of each angle.

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  1. 19 August, 14:59
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    Answer: α=137.5°

    β=42.5°

    Step-by-step explanation:

    Two angles are supplementary, that means that α+β=180°

    α=3β+10

    3β+10+β=180°

    4β=170

    β=42.5°

    α=3*42.5+10

    α=127.5+10

    α=137.5°
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