Question

Resolva os problemas.


por favor me ajudem!!<3​

Answer 1

Resposta:

c)

x+x+4x=180°

6x=180°

x=180/6=30°

x=30°

x=30°

4x=30*4=120°

d)

90°+x+2x=180°

3x=180°-90°=90°

x=90/3=30°

x=30°

2x=60°

e)

120°+3x+x=180°

4x=180°-120°=60°

x=60°/4=15°

x=15°

3x=45°

f)

x+x+1°+x+2°=180°

3x=180°-3°=177°

x=177/3=59°

x=59°

x+1°=59°+1°=60°

x+2°=59°+2°=61°