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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

    • montecarlo circles 5
    • Task 4 - Custom Solid 2
    • bewijs stelling van Pythagoras
    • Slope Between 2 Points (Phase 2)
    • 函數的單調性

    Discover Resources

    • Geometric Verification of Rotation of a Point
    • Gradien 1
    • รูปคลี่พีระมิด
    • Rational Numbers on a Number Line
    • flower3, Silas, GER

    Discover Topics

    • Quadratic Equations
    • Percentages
    • Functions
    • Sine
    • Intersection
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