Answer:
18
Step-by-step explanation:
I hope this helps
Answer:

Step-by-step explanation:
is an angle in the third quadrant
To find the reference angle subtract π from it
reference angle =
- π = 
Answer:

Step-by-step explanation:
So we have the equation:

Combine like terms:

Add:

Add 16 to both sides:

Divide both sides by 8:

So, our answer is 24.5 :)