Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Geometry: Introductory Definitions
    1. Interactive Definition Prompts

    Geometry: Introductory Definitions

    Author:Jerry Gallaher, Tim Brzezinski
    Topic:Geometry

    Interactive Definition Prompts

    • Collinear Points (Definition Prompt)

    • Parallel Lines Definition

    • Congruent Segments: Quick Exploration

    • Midpoint Definition

    • Congruent Angles: Definition

    • Angle Bisector Definition

    • Perpendicular Lines Definition (& Consequence)

    • Segment Bisectors (Definitions)

    • Perpendicular Bisector Definition

    • Perpendicular Bisector Definition

    • Complementary Angles Meaning

    • Supplementary Angles Meaning

    Next
    Collinear Points (Definition Prompt)

    New Resources

    • Rovnoběžnost rovin
    • Congruent Sides & Angles in △s: Exploration
    • Angle Addition Postulate (V2) - Integer Solutions
    • Squaring a Rectangle (PST Version)
    • Odd Function Explorer

    Discover Resources

    • Absolute Value
    • Exponential Practice
    • Part B, question 3
    • Geometry Image
    • Creating Animations Webinar (Part 1)

    Discover Topics

    • Trapezoid
    • Symmetry
    • Hypothesis Testing
    • Confidence Interval
    • Rhombus
    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®