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Mathematics 13 Online
OpenStudy (anonymous):

The ratio of the measures of two supplementary angles is 7:3. Find the measures of the angles. A. 126° and 54° B. 72° and 18° C. 159° and 21° D. 69° and 21°

OpenStudy (anonymous):

@jes230

OpenStudy (mertsj):

7x+3x=180

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