Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Parallel Lines and the Angle in a Triangle: IM 8.1.16
    1. Lesson 8.1.16
    2. Practice 8.1.16

    Parallel Lines and the Angle in a Triangle: IM 8.1.16

    Author:GeoGebra Classroom Activities, IM 6 – 8 Math
    Topic:Angles, Geometry, Triangles
    “Parallel Lines and the Angles in a Triangle” from IM Grade 8 by Open Up Resources and Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 license.
    Parallel Lines and the Angle in a Triangle: IM 8.1.16

    Table of Contents

    • Lesson 8.1.16

      • IM 8.1.16 Lesson: Parallel Lines and the Angle in a Triangle
    • Practice 8.1.16

      • IM 8.1.16 Practice: Parallel Lines and the Angles in a Triangle
    Next
    IM 8.1.16 Lesson: Parallel Lines and the Angle in a Triangle

    New Resources

    • The Coordinate Plane (Cartesian Plane)
    • Parallel lines, Transversals and Segments
    • רישום חופשי
    • 巧算長方形周界
    • Cartesian Notation of a Vector

    Discover Resources

    • respuesta 2
    • Week 9 - Classwork 2
    • Unit 12 Sketch
    • Prime Factors - step by step

    Discover Topics

    • Right Triangles
    • Logic
    • Limits
    • Linear Functions
    • Prism
    AboutPartnersHelp Center
    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®