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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

    • 從邊長辨認四邊形
    • Forming Similar Triangles
    • Intercepts in 3D
    • apec
    • Luxembourg Symbol

    Discover Resources

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    • Forum_33471_H2_Explore_FreeAndPoint
    • Pyth. Thm.
    • Tales 02
    • Mr. Krebs
    • Transforming a logarithmic graph

    Discover Topics

    • Parallelogram
    • Linear Programming or Linear Optimization
    • Upper and Lower Sum or Riemann Sum
    • Quadratic Equations
    • Quadrilaterals
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