namely, what is 1/2 of 3/4, well, is just their product.

 
        
             
        
        
        
The sum is 61 for this equation.
        
                    
             
        
        
        
Step-by-step explanation:
 All the edges of a cube have the same length, and the volume of a cube is the length of an edge taken to the third power. So the length of the edge of a cube with a volume of 125 is 5.
 
        
             
        
        
        
You first identify what supplementary angles are,angles that add up to 180.
5x+2+8x+9=180
17x+11=180-11
17x=169
x=169divided by 17
x=9.9411
x=10 when rounded into the next value
8x*10=80+989