Question

Alguém me ajuda por favor ?

Answer 1

A ) 4x+20+80=180
4x+100=180
4x=180-100
4x=80
x=80/40
x=20

B) x+50=180
x=180-50
x=130
y+130=180
y=180-130
y=50

C) 4x+10+x+20=90
5x+30=90
5x=90-30
5x=60
x=60/5
x=12

D)5x+60+x=180
6x=180-60
6x=120
x=120/6
x=20

E) x=160 são ângulos opostos

Z=140
G=40