Under then angle addition prostulate which equation would be valid?

Answer:
M<DEG + m<GEF = m<DEF
Step-by-step explanation:
Given: Figure
To find: Choose correct option
Solution: In the figure, using angle addition postulate, M<DEG + m<GEF = 180 (sum of < on straight line)
M<DEG + m<GEF = m<DEF