Answer:help you with what?
Step-by-step explanation:
The measurement of angle a plus 120 must equal to 180 ( as angles on a straight line must equal to 180)
So measurement of angle a is 60 degrees
Measurement of angle b plus 60 plus 60 must equal to 180
So measurement of angle b is 60
Step-by-step explanation:
dont stress just move onto the next question :)