Answer:
a=729
Step-by-step explanation:
Solve for a by simplifying both sides of the equation, then isolating the variable.
 
        
             
        
        
        
2 semi circles form one full circle with a circumference of 68pi = 213.52
Rectangle has a perimeter of (68+108)*2 = 353
 Total perimeter = 566.52m
        
                    
             
        
        
        
The question was worded weird but if it’s asking for 1/4 divided by 8 then the answer is 2
        
             
        
        
        
Take half of the middle coefficient.
Then square it.
-12/2 = -6
(-6)^2 = 36
c = 36