Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson

Outline

  1. parallel lines
    1. intersecting lines
    2. parallel lines
    3. angle relationships

    parallel lines

    Author:Diana Underwood Gregg
    Topic:Geometry
    Parallel lines for MA139 S19
    parallel lines

    Table of Contents

    • intersecting lines

      • Intersecting lines
      • intersecting lines part 2
      • intersecting lines part 3
      • Copy of Vertical Angles Exploration
    • parallel lines

      • parallel lines 1
      • parallel lines 2
      • Same-Side-Exterior Angles: Quick Investigation
      • parallel lines 3
      • parallel lines 4
    • angle relationships

      • Corresponding Angles: Quick Investigation
      • Alternate Interior Angles: Quick Investigation
      • Same-Side-Interior Angles: Quick Investigation
      • Alternate Exterior Angles: Quick Investigation
      • Parallel Lines & Related Angles Activity
    Next
    Intersecting lines

    New Resources

    • Rossler's Attractor
    • Marion's Theorem
    • Deriving the Arc Length Formula
    • Building Algebra Tile Models for Trinomials
    • Squaring a Rectangle (PST Version)

    Discover Resources

    • The definite integral and the function area
    • punto 14
    • Hyperbola lab
    • Loc Geometric: Mediana.
    • Can you fit the four pieces into the square? Why?

    Discover Topics

    • Polynomial Functions
    • Prism
    • Arithmetic Mean
    • Algebra
    • Rotation
    AboutPartnersHelp Centre
    Terms of ServicePrivacyLicense
    Graphing CalculatorCalculator SuiteMath Resources

    Download our apps here:

    Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

    © 2026 GeoGebra®