1. Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.
- Lines, Segments, and Rays
- Parallel Lines and Transversals
- Proving Lines are Parallel
- Proving Lines are Perpendicular
- All You Need to Know About Angles
- All You Need to Know about Slopes of Parallel and Perpendicular Lines
- Complementary and Supplementary Angles