We have:
equilateral SIT triangle (hypothetical)
so angle S = angle I = angle T
Inferred: angle S = 180 degrees: 3 = 60 degrees
We have: angle S = (4x + 12) degrees = 60 degrees
4x = 60 degrees - 12 degrees
4x = 48 degrees
x = 48 degrees: 4
x = 12 degrees
So the value of x is 12 degrees
Answer:
48x
Step-by-step explanation:
Its the answer