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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

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    • Exploring GeoGebra for the First Time
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    • Volume by Shells Around y
    • Shells

    Discover Resources

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    • CO480P3
    • MAT.ALG.421, 310354, F3
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    • S4E B1 L11 Q4

    Discover Topics

    • Polygons
    • Quadrilaterals
    • Arithmetic
    • Addition
    • Poisson Distribution
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