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9 votes
Someone help please and make sure it’s right:)

Someone help please and make sure it’s right:)-example-1
User Rrebase
by
5.9k points

1 Answer

5 votes

Answer:

-9

Explanation:

(x + 89)° + (x + 109)° = 180°

(interior angles on the same side of transversal)

(2x + 198)° = 180°

2x + 198 = 180

2x = 180 - 198

2x = - 18

x = - 18/2

x = - 9

User Radesix
by
6.0k points