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Answer: Whats is the question asking???
Step-by-step explanation:
Y=10°
If we're solving for the ninety degree angle, which I seem to doubt, then if 3x=90 then 2x=60 giving a missing total of 30. 30/3 equals 10
that's what I got, you can confirm if it's correct or not... I'm not sure
have a nice dayʘ‿ʘ