Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Geometry-2D
    1. Angle Relationships 8G5
    2. Transformations
    3. Similarity 8G4

    Geometry-2D

    Author:Linda Bollman
    Geometry-2D

    Table of Contents

    • Angle Relationships 8G5

      • Interior Angles of a Triangle
      • Sum of the Interior Angles of a Triangle
      • Interior Angle Sum
      • Exterior Angles
      • Exterior Angles of Polygons
      • Angles and Parallel Lines
      • Parallel Lines Intersected by a Transversal
    • Transformations

      • Ferris Wheel Carnival Slider
      • Frieze Activity
      • Animated Twitter Bird
      • Beach Beast
      • 'Tangram' Puzzle 'Cat'
      • Similarity by Dilation & Rotation
    • Similarity 8G4

      • Similarity
      • Girl in the Mirror
    Järgmine
    Interior Angles of a Triangle

    New Resources

    • Congruent Sides & Angles in △s: Exploration
    • Function art 3D - waiting shed (v2)
    • Function art 3D - waiting shed
    • apec
    • Pythagorean Theorem: Quick Illustrator

    Discover Resources

    • Forum_f=1&t=38811_D_GGTnachEuclid
    • Percents
    • Covariance
    • Sliced Tetrahedron
    • Law of Sines and SSA (Ambiguous Case)
    • Quiz: Adding Integers
    AboutKoostööpartneridHelp Center
    Terms of ServicePrivacyLitsens
    Graphing CalculatorCalculator SuiteCommunity Resources

    Download our apps here:

    Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

    © 2026 GeoGebra®