Answer:
100°
Step-by-step explanation:
In this question, vertical angles are key. If you didn't know, vertical angles are basically opposites of each other. A pair of vertical angles are equal.
ACE = 20°
FED = 80°
FED and CEG are vertical angles (+the 20 from ACE), so your answer is 100°
hope this helps, brainliest is appreciated.
