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Answer:
x = 21.287
Step-by-step explanation:
Use:
SOH CAH TOA
Cos(37) = 17.3/x
x = 21.287
 
        
                    
             
        
        
        
Answer:
A: 3
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Step-by-step explanation:
 
        
                    
             
        
        
        
That's a quarter of the circle. So find the area of the circle, and divide by 4 to get the answer. 
Circle area = 3.14*13^2 = 530.66
Answer = circle area / 4 = 132.665