Question

What is the value of the missing angle

Answer 1

30°

Explanation:

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

Answer 2

30

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.