Answer:
[2(x+10)]°+(3x-30)°=180°[vertically opposite angle]
2x+20+3x-30=180°
5x-10=180°
5x=180-10
5x=170
x=170/5
x=34
 
        
             
        
        
        
Could you explain a bit more please 
 
        
                    
             
        
        
        
The answer is yes. The triangles are congruent.
I measured them with a ruler and they are the same length.
Hope this helped! c:
        
                    
             
        
        
        
Answer:
B. and D.
Step-by-step explanation:
 
        
             
        
        
        
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