Search
Google Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Two-Dimensional Shapes and Their Attributes
    1. Lines and Line Segments
    2. Polygons
    3. Angles
    4. Triangles
    5. Quadrilaterals

    Two-Dimensional Shapes and Their Attributes

    Author:Lillian Petersen
    Two-Dimensional Shapes and Their Attributes

    Table of Contents

    • Lines and Line Segments

      • Explore Parallel Lines
      • Exploring Perpendicular Lines
      • Creating Lines
    • Polygons

      • Geoboard Polygons
      • Concave/Convex
    • Angles

      • How to Construct an Angle
      • Looking at Angles
      • Animated Acute Angles
      • Animated View of Obtuse Angles.
      • Types of Angles
    • Triangles

      • Triangle Lengths Exploration
      • Triangle Classification Challenge
      • Triangle Classification Examples
      • Triangle with Sides and Angles
    • Quadrilaterals

      • Quadrilaterals
      • Classifying Quadrilaterals
    Next
    Explore Parallel Lines

    New Resources

    • အခြေခံ data အခေါ်အဝေါ်များ
    • Cosine in Cartesian and Polar Coordinates
    • רישום חופשי
    • z`]]
    • Special Right Triangles 30°-60°-90° and 45°-45°-90°

    Discover Resources

    • Geogebra_test4
    • Mrs. Whitcomb's Corner
    • Converse of Alternate Exterior Angles Converse Theorem
    • Sistem Pertidaksamaan Linear Rasyid XI IPA U1
    • Zadatak - Prizma 1

    Discover Topics

    • Parabola
    • Conditional Probability
    • Scatter Plot
    • Bar Chart or Bar Graph
    • Random Variables
    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

    © 2025 GeoGebra®