KatieKat143 KatieKat143

13-04-2017
Mathematics

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two supplementary angles have measures of 9x degrees and 3x degrees. What is the measure of the longer angle?

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13-04-2017

If the two supplementary angles are two different lines, and if it's asking for the longer angle, which is 9x....

9x° = 180° ⇒ 20°

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