On a sin(HGE) = EH/EG
Donc EG = EH/sin(HGE) = 1,5/sin(25)
Ensuite, tan(EGF) = EF/EG
EF = EG x tan(EGF) = 1,5/sin(25) x tan(38) = 2,7
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On a sin(HGE) = EH/EG
Donc EG = EH/sin(HGE) = 1,5/sin(25)
Ensuite, tan(EGF) = EF/EG
EF = EG x tan(EGF) = 1,5/sin(25) x tan(38) = 2,7