Answer:
120 °
Step-by-step explanation:
the angle contained in a circle = 360 °
135 + 105 +? = 360
240 + ? =360
? = 360 - 240
= 120°
12
You look at the graph seeing before the 20, that one has 4 and rhe other has 8. Add 8 and 4 to get 12.
