Look at the diagram. Which angle is supplementary to
Angle AOD
Angle AOB
Angle BOA
Angle AOE

Answer:
A supplementary angle plus another angle = 180 degrees
Angle AOB is the supplementary angle
A straight line = 180 degrees so,
So angle AOD + angle AOB = 180 degrees
Angle AOB is the supplementary angle.
Step-by-step explanation: