I believe the correct answer is 6.4.
        
                    
             
        
        
        
 1= a car tire
2= <span>A reflection would map your right shoe on your left shoe because your right shoe is a mirror image of your left shoe. </span>
        
             
        
        
        
Answer:
yessir it is 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
total ground and wall angle is 90°
beam angle with ground= 51
beam angle with wall =39
because total angle=angle with ground + angle with wall
angle with wall=total angle-angle with ground
angle with wall= 90-51=39