They are equal corresponding angles.
they lie on the opposite sides and at the opposite of a transversal line.
Those are "alternate interior" angles. They're always equal.
When a transversal line cuts through two parallel lines supplementary angles are created that add up to 180 degrees
There is officially no term for this, but they're supplementary angles if the two lines are parallel to one another.
They are equal corresponding angles.
Corresponding and alternate angles
They are equal alternate angles.
They are angles that lie on the same side of the transversal outside the lines named.
they lie on the opposite sides and at the opposite of a transversal line.
Alternate angles are equal and lie on opposite sides of the transversal line that cuts through the parallel lines
Those are "alternate interior" angles. They're always equal.
When a transversal line cuts through two parallel lines supplementary angles are created that add up to 180 degrees
Uterus
There is officially no term for this, but they're supplementary angles if the two lines are parallel to one another.
Alternate Interior Angles
perpendicular