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Debora [2.8K]
3 years ago
7

two angles whose sum is 180 are supplementary angles find the measure of the supplementary angle (9x+9) (6x+6)

Mathematics
1 answer:
Ulleksa [173]3 years ago
5 0
(9x+9)+(6x+6)=180
x=11
9x+9=108
6x+6=72
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