Respuesta :

SubjectzNoob

Answer:

30°

Step-by-step explanation:

Since a straight line is 180°, you have to subtract 180 by 150. This will give you 30

anniechavarria

Answer:

30

Step-by-step explanation:

First know that one whole line that is open is 180 degrees all i did what add 30 to 150 and i got 180

or you you can do what the other person said subtraction.