31-08-2018
Mathematics

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1 and 2 are supplementary Angles one is for Y +7 and two is 9Y +4 find two

1 and 2 are supplementary Angles one is for Y 7 and two is 9Y 4 find two class=

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tramserran tramserran

04-09-2018

the sum of supplementary angles equals 180°

(4y + 7) + (9y + 4) = 180°

13y + 11 = 180

13y = 169

y = 13

m∠2 = 9y + 4 = 9(13) + 4 = 117 + 4 = 121

Answer: 121°

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