Prove that, if arms of an angle are respectively, parallel to the arms of another angle, then the angles are either equal or supplementry.

Prove that, if arms of an angle are respectively, parallel to the arms

1.	Prove that, if arms of an angle are respectively, parallel to the arms of another angle, then the angles are either equal or supplementry.
Answer» Prove that, if arms of an angle are respectively, parallel to the arms of another angle, then the angles are either equal or supplementry.