Answer:
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Step-by-step explanation:
 
        
             
        
        
        
Answer:
n+12 <4
Step-by-step explanation:
 
        
             
        
        
        
Just multiply the with and the length by four (considering the scale factor is 4)
3x4=12 and 7x4=28
        
             
        
        
        
Answer:
30°
Step-by-step explanation:
RUT= RST ----since they both stand on common arc TR
Thus, RST = 30°