Answer:
choice 3)
JK = 3.51
WK = 9.15
∠J = 69°
Step-by-step explanation:
sin 21° = JK/9.8
0.3584 = JK/9.8
cos 21° = WK/9.8
0.9336 = WK/9.8
WK = 9.15
∠J = 90° - 21° = 69°
 
        
             
        
        
        
Answer: x=9,3
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:147,000 J
Step-by-step explanation:
Just did on apex
 
        
             
        
        
        
I think it might be 18 sorry if im wrong
        
             
        
        
        
Answer:
1st is rational 2nd is irrational 3rd is irrational 4th is rational 5th is irrational
Step-by-step explanation: