Question

What is the value of the missing angle ?

Answer 1

30°

Explanation:

The line is 180 degrees so all you have to do is subtract 150° from 180°

You should end up with 30°

Whenever you see a straight line (IT HAS TO BE STRAIGHT), it is equal to 180°.

Answer 2

30

Explanation:

? = 180 - 150 = 30