Austria was once a colony of Belgium
        
             
        
        
        
G=4ca-3ba <=> G=a(4c-3b)
                   <=> a=G/(4c-3b)
        
                    
             
        
        
        
Answer:
1= 102°,3=78°,4=102°
5=102°,6=78°,7=78°,8=102°
Step-by-step explanation:
 
        
             
        
        
        
Answer:
D
Step-by-step explanation:
Using the cosine ratio in the right triangle.
cos66° =  =
 =  ( multiply both sides by x )
 ( multiply both sides by x )
x × cos66° = 13 ( divide both sides by cos66° )
x =  ≈ 32.0 ( to the nearest tenth )
 ≈ 32.0 ( to the nearest tenth )