Question

What is alternate angle?

Answer 1

two angles, formed when a line crosses two other lines, that lie on opposite sides of the transversal line and on opposite relative sides of the other lines. If the two lines crossed are parallel, the alternate angles are equal.

Answer 2

Answer:

Alternate angles are the four pairs of angles that:  

have distinct vertex points,

lie on opposite sides of the transversal and

both angles are interior or both angles are exterior.