660 is the correct answer.  Hope this helped!
-TTL
 
        
                    
             
        
        
        
The answer to the statement above would be false. The value of r does not represent the reference angle when plotting a point in polar coordinates. Instead, it represents the polar distance instead of the angle. The reference angle is represented by <em>t.</em>
        
                    
             
        
        
        
Answer:
I DONT KNOW THAT
Step-by-step explanation:
 
        
             
        
        
        
45℅ should be answer,...........
        
             
        
        
        
The measure of each exterior angle = the measure of each central angle.
each angle = 360 / 16 = 22.5