Respuesta :

Yhuby

If you flipped the picture, it would be 60 degrees. But since its not flipped, it could possibly be 120 degrees since all sides are equal as the sides are parallel to each other.


Hope this helps.


wolf1728

Answer:


Step-by-step explanation:

In a parallelogram, adjacent angles are supplementary, so

Angle ADC + Angle DCB = 180.

Therefore Angle DCB = 120 degrees.