Geometry · Parallel Lines & Angle Pairs
Transversal
HSG-CO.C.9
Definition
A line that intersects two or more coplanar lines at distinct points.
Examples
- Transversal t crosses two parallel lines, creating 8 angles at the two intersections.
- A transversal crossing two lines creates pairs like corresponding and alternate interior angles.
Key rule
A transversal creates eight angles when it crosses two lines.
Memory hook
The line that cuts across two others.