Parallel Lines Intersected by a Transversal
- Author:
- Pat Patterson, rbwalker15, Linda Bollman
- Topic:
- Intersection, Straight Lines
The lines a and b are parallel, cut by transversal c. Drag the blue points on c to move the transversal.
1. How does this affect the angles formed by the intersection of a and b with c?
2. Which angles are always congruent?
3. Which angles are always supplementary?