Respuesta :

Answer:

30°

Step-by-step explanation:

x + 150° = 180°

(Linear pair angles)

x = 18.° - 150°

x = 30°

Reason: Linear pair angles

30°

Step-by-step explanation:

180°-150°=30°

a straight line is always equal to 180°

since we know that and we have the 150° given , all we have to do is to subtract 150 to 180 which is 30