Parallel & Perpendicular Lines
Properties of Parallel Lines
Corresponding Angles
Alternate Interior Angles
Alternate Exterior Angles
Same Side Interior
Vertical Angles
Proving Lines Parallel
Proving Parallel Lines
Parallel Lines & the Triangle Angle-Sum Theorem
Triangle Types
Triangle Sum Theorem
Polygon Angle-Sum Theorem
Polygon Angle Sums
Lines in the Coordinate Plane
Equations of Lines
Slopes of Parallel & Perpendicular Lines
Slopes of Parallel and Perpendicular Lines
Constructing Parallel & Perpendicular Lines
Parallel and Perpendicular Lines
Constructions