What conclusion can be drawn about lines AB and CD?
They are parallel because
lines AB and CD are vertical
lines.
78°
75°
They are not parallel because
the two given angles are not
supplementary.
They are not parallel because
the two given alternate
interior angles are not
congruent.

What conclusion can be drawn about lines AB and CD They are parallel because lines AB and CD are vertical lines 78 75 They are not parallel because the two give class=