Respuesta :
Answer:
angles shouldn't you use a protractor
Step-by-step explanation:
Answer:
x+140°=180°
x+140°-140°=180°-140°
x+0=180°-140°
x=40°
Answer:
angles shouldn't you use a protractor
Step-by-step explanation:
Answer:
x+140°=180°
x+140°-140°=180°-140°
x+0=180°-140°
x=40°