Respuesta :

JolinHai
102degree if you want to know the detail just ask me
kritter1
First, you know that angle EFG is 17x degrees 
You also know from the supplementary angles that 17x+13x should be equal to 180. 

So, 
17x+13x=180 
30x=180 
x=180/30 
x=6 

Therefore 17(6)= 102 degrees 

Hope I helped :)