SOLUTION: The measures of two supplementary angles are in the ratio 5:7. What is the measure of the largest angle?

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Question 428112: The measures of two supplementary angles are in the ratio 5:7. What is the measure of the largest angle?
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Supplementary angles' measures sum to 180 degrees. If the ratio of two supplementary angles is 5 to 7, then the smaller one is 5/12 (because 5 + 7 = 12) of 180 and the larger is 7/12 of 180. Calculate 7/12 of 180.


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