L=25
If the length is 25 yards then you use 50 yards of fencing for the length, this leaves ten yards for each width of fencing each. 
10 yards is 15 yards less than 25 yards showing that this is the correct answer.
        
             
        
        
        
A line that passes through an angle and splits it into two equal adjacent angles
 
        
             
        
        
        
Answer:
A:4.5
Step-by-step explanation:
all you need to do is count the spaces
 
        
             
        
        
        
Answer: x=30
Step-by-step explanation:
The sum of the angles must be 360. 
4x+3x+3x+2x = 12x
12x = 360
x =360/12 = 30