Respuesta :

5x+3x=90+30
8x=120
(1/8) (8x) = (1/8) (120)
x=15

m<JAH= 3(15)=45
m<HAG= 5(15)=75

and the first one is 
<KAE and <EAF are adjacent angles whose measurements are equal to
<KAF; <KAF and <JAG are vertical angles and are of equal measurement.