Answer:
the answer is 30.45
Step-by-step explanation:
Answer:
15 sin 55 = 12
Step-by-step explanation:
It is a basic trigonometry formula
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