A.4°
B.36°
C.90°
D.180°

Answer:
m ∠DEH = 36°
Step-by-step explanation:
m ∠DEH ≅ m ∠GEH Definition of bisector
8x + 4 = 14x - 20
- 6x = - 24
x = 4
m ∠DEH = 8x + 4
m ∠DEH = 8(4) + 4
m ∠DEH = 32 + 4 = 36°