tolong di jawab!!! trims...

EOH = 4x + 48 + 7x = 180°
11x = 180-48
11x = 132
x = 132/11 = 12°
tolak belakang = EOG = 7x + 48 = 84+48 = 132°

EOH=180
180=7x+4x+48
180-48=7x+4x
132=11x
x=132/11
x=12

DOH=EOG
DOH=48+7x
DOH=48+7*12
DOH=132