Answer:
.324 or 18.9 degrees
Step-by-step explanation:
rule is
sine equals opposite over hypotenuse, 
cosine equals adjacent over hypotenuse, and 
tangent equals opposite over adjacent
OR
soh cah toa
sine = soh = 12/37 = .324
arcsin(.324) or sin^-1(.324) in DEGREES not radians = 
18.9 degrees
 
        
             
        
        
        
Answer:
b^4 / a
Step-by-step explanation:
I have attached the explanation above. hopefully this will help
 
        
             
        
        
        
For circumference it’s 12x3.14= 37.68
        
                    
             
        
        
        
A is equivalent to -(8/3)
 
        
             
        
        
        
Answer:
<AOB and <BOC
Step-by-step explanation:
Central angles are formed by any two radius
<AOB and <BOC
You are correct