Respuesta :

Answer:

Angle AOD and Angle DOB are supplementary

Step-by-step explanation:

AOB is straight(180°) Line DO is a line that creates two angles

Answer:

Step-by-step explanation:

<AOD + <DOB = 180 degrees, but that's a stretch. AB must be a straight segment. Point O must be on AB.

A straight segment is a 180 angle.