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12-01-2020
Mathematics

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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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Stefanisaska Stefanisaska

12-01-2020

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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