Respuesta :

18 degrees and math is in picture 
Ver imagen PurplePopcorn
Setor9
(25m+22)+(9m)=90
25m+22+9m=90
34m+22=90
34m+22-22=90-22
34m=68
34/34m=68/34
m=2

Thus the measure of angle HLG is 18
9m
9(2)
18