Perpendicular is when opposite angles that are formed when two lines intersect and are congruent called?
Two pairs of adjacent angles are formed when two lines intersect each other.
No angles are formed on the inside of parallel lines because they do not intersect. That is the definition of parallel.
Equal angles.
4
complimentary
Four
When lines intersect, angle formed between them is Θ or 180-Θ.
vertical angles
Vertical angles
4
opposite equal angles