courtneyflourn courtneyflourn

20-08-2017
Mathematics

contestada

Find the measure of supplementary angles with measures 2x degrees and 7x degrees

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kphung76127 kphung76127

20-08-2017

2x+7x= 180
9x=180
x=20

Plug the x value in to both expressions
2(20)=40
7(20)=140

Final answer: 40 degrees, 140 degrees

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