Answer:
Step-by-step explanation:
D. the corresponding sides of triangle ABC and triangle A'B'C' are congruent
because the sides do not change their length when we rotate the triangle
 
        
             
        
        
        
Answer:
first - 25 degrees, second - 65 degrees
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
angle M = 98
Step-by-step explanation:
since they all equal 180 
do 3x-16+x+6+x = 180 now add 10 two both sides and get 
3x+x+x = 190 
5x = 190 
x = 38  
now plug that in to 3x-16 to get 98
 
        
                    
             
        
        
        
Answer:
Property of Addition
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1r
Step-by-step explanation:
(5r-4)(2r-6r+4)
1(5r-4)+1(2r-6r+4)
5r-4+2r-6r+4
5r+2r-6=1r
1r-4+4
-4+4=0
1r