Parallel and Perpendicular

Parallel and Perpendicular

1. Parallel lines cut by a transversal

   • Corresponding Angles
   • Same Side Interior Angles
   • Same Side Exterior Angles
   • Alternate Interior Angles
   • Alternate Exterior Angles

2. Proving Lines Parallel

   • Converse of all the previous postulates and theorems
   • Perpendicular Line Theorem
   • Parallel Line Theorem

3. Triangle Angle Sum Theorem

4. Polygon Angle Sum Theorems

   • Interior Angle Sum
   • Exterior Angle Sum