Answer:

There are two best ways to solve this. 
using cosine method:




using sine method:




There are many ways, not to make it complex, these are the best ways to solve for n. Hope it helps ~
 
        
                    
             
        
        
        
Answer:
b
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
hifgreeg33ctvtvunu
Step-by-step explanation:
highhb tug 5h6g6g5g5g
 
        
             
        
        
        
1 mg = 0.001 grams. therefore 2000 mg = 2 grams