Step-by-step explanation:
466666666667/100000000000
Answer:

Step-by-step explanation:
Isolate x on one side of the equation.
x+11-11=3-11 (Subtract 11 from both sides.)
3-11 (Solve & Simplify.)
3-11=-8
X=-8

So, the correct answer is x=-8.
Step-by-step explanation:
In all cases just divide 360° by the number of sides
Thus,for a. 360°/12=30°