Answer:
D' (-4,-2)
E' (-1,2)
F' (2,-4)
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
 (-1.5, 3.275)
Step-by-step explanation:
midpoint = ( x1+X2/2 , y1+y2/2)
 =(0+(-3)/2, 0.55+6/2)
 =( -3/2, 6.55/2)
 =( -1.5, 3.275)
 
        
             
        
        
        
Answer:
80
Step-by-step explanation:
4/(4+5) × 180 = 4/9 × 180 = 80