# Lesson and Practice: Angles Between Two Lines and a Transversal

- Author:
- Simona Riva

- Topic:
- Angles, Intersection, Straight Lines

Explore the app below and learn the special names of the angles formed by two lines and , intersected by a transversal .
Drag the

**and explore the special relationship between those angles, when the two lines cut by the transversal are parallel.***green points*## Answer the following questions...

Two parallel lines are cut by a transversal. An alternate interior angle of a pair measures 45°. What is the measure of the other alternate interior angle of the pair?

Two lines are cut by a transversal. One of the two corresponding angles of a pair measures 59°. What is the measure of the other corresponding angle of the pair?

Two parallel lines are cut by a transversal, and form a pair of same-side interior angles, and . We know that . What are the measures of and respectively?