3.1 Parallel and Skew Lines
3.2 Perpendicular Lines
3.3 Corresponding Angles
3.4 Alternate Interior Angles
3.5 Alternate Exterior Angles
3.6 Same Side Interior Angles
3.7 Slope in the Coordinate Plane
3.8 Parallel Lines in the Coordinate Plane
3.9 Perpendicular Lines in the Coordinate Plane
3.10 Distance Formula in the Coordinate Plane
3.11 Distance Between Parallel Lines
