Question

Calcule o valor de x,considerando r//s.

Pfvr me ajudem e urgente,Pfvr. ...

Answer 1

Resposta:

x+70°+(180°-(2x+10°))=180°

x+70°+(180°-2x-10°)=180°

x+70°+(-2x+170°)=180°

x+70°-2x+170°=180°

x-2x=180°-170°-70°

-x=180°-240°

-x=-60°

x=60°