Question

Encontre os valores dos ângulos x e y

Answer 1

3x+2x+90=180
5x=180-90
5x=90
X=90/5
X=18

X+x+50+10=180
2x=180-60
2x=120
X=120/2
X=60

X+50+x+10+x-30=180
3x=180+30-50-10
3x=150
X=150/3
X=50