Unit 3: Parallel Lines

The study of parallel lines in geometry unveils intriguing relationships between lines and shapes, playing a pivotal role in understanding spatial properties. Our website delves into the fascinating world of parallel lines, covering key concepts like Euclid’s parallel postulate and alternative axioms in non-Euclidean geometries. With applications in areas such as engineering, architecture, and computer graphics, parallel lines are integral to designing efficient structures, creating visually appealing art, and simulating realistic virtual environments. Embark on a journey to explore the significance of parallel lines and their impact on our comprehension of the geometric world.

Lessons

3.1 – Parallel Lines in Algebraic Problems

3.2 – Parallel Lines in Proofs

3.3 – How to Prove Lines Parallel

3.4 – Angles in a Triangle

3.5 – Triangle Corollaries

3.6 – Interior & Exterior Angles of Triangles

3.7 – Number of Diagonals in a Polygon