Answer:
C
Step-by-step explanation:
The solution triangle is attached below :
Tonobtinnthe Angle formed, θ; we apply trigonometry ;
Using ;
Cos θ = Adjacent / hypotenus
Cos θ = 4 / 7
θ = Cos^-1(4/7)
θ = 55.15°
θ = 55°
 
        
             
        
        
        
Answer:
i think it $3.20
Step-by-step explanation:i think you got to check it in caculator
 
        
             
        
        
        
Answer:
2πx3
Step-by-step explanation: