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Outline

  1. Basic Geometric Ideas
    1. Lines
    2. Angles
    3. Triangles

    Basic Geometric Ideas

    Author:New Orleans Geogebra Institute
    Basic Geometric Ideas

    Table of Contents

    • Lines

      • Slopes and Angles between Lines
      • Working with Midpoints
    • Angles

      • Size of Angle
      • Alternate Interior Angles
      • Alternate Exterior Angles
      • Vertical Angles
    • Triangles

      • Sum of Angles of Triangle
    Next
    Slopes and Angles between Lines

    New Resources

    • Odd Function Explorer
    • Congruent Figures
    • Squares Question
    • Quadrant Illustrator
    • Congruent Sides & Angles in △s: Exploration

    Discover Resources

    • Lily Garcia Parallel line
    • Mortgage Rate vs. Monthly Payment
    • investigation #1 (third sketch)
    • Addition Demo
    • constructing a square

    Discover Topics

    • Set Theory
    • Calculus
    • Special Points
    • Vectors 3D (Three-Dimensional)
    • Random Experiments
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