Answer:
see explanation
Step-by-step explanation:
ΔEGF is isosceles with GF = EF hence the base angles EGF and GEF are congruent.
∠EGF = [tex]\frac{180-50}{2}[/tex] = [tex]\frac{130}{2}[/tex] = 65°
∠EGC is a straight angle, hence
∠CGF = 180° - ∠EGF = 180° - 65° = 115°
