Respuesta :

Angle 6 = angle 7 = 61⁰, as vertical angles
Angle 5 = angle 8,   as vertical angles

angle 6+angle 7 + angle 5 + angle 8 =360
61+61 + angle 5 + angle 8 =360
angle 5 + angle 8 = 360 - 61*2 = 238⁰

Answer D.  238⁰