Question

calcule o valor de x​

Answer 1

1-

x+2x+30°=180°

3x=180°-30°

3x=150°

x=150°/3

x=50°

2-

4x+13x+5°+6x+85°+40°=360°

23x=360°-130°

23x=230°

x=230°/23

x=10°

13x+5°=13.10+5°=130°+5°=135°

6x=6.10°=60°

4x=4.10°=40°