the answer to your question is -12
hint; the sum of all angles in a triangle is 180° !
^so all together it’s gonna be 180 !
hope this helped !
i’m pretty sure the value of it (x) is 12 but am not sure
Answer: The answer is a decimal.
Step-by-step explanation:
I'm guessing it 30 it says 3 times the nber of trumpet players