Answer:
5.66 units.
Step-by-step explanation:
cos 25 =- adjacent side / hypotenuse
cos 25 = 4 / AB
AB  cos 45 = 4
AB = 4 / cos 45
= 5.66.
 
        
             
        
        
        
Answer:
50°
Step-by-step explanation:
Hope this helps and is correct
 
        
                    
             
        
        
        
Answer:
1. 6x + 25
2. 60 + 28k
3. 5 + 19y
4. 3d + 1
5. 5v
6. w - 14.04
Step-by-step explanation:
These are what I got. I'm very sorry if I'm wrong.
 
        
             
        
        
        
Since the radius for either the quarter or the whole circle is the same the radius of the circle shall be divided into 4 parts 
Please refer to the photograph to know more about the answer