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綱要

  1. Spherical figures
    1. A sphere
    2. Points
    3. Great circle
    4. Spherical angle
    5. Spherical segment
    6. Spherical diangle
    7. Spherical triangle
    8. Spherical circle

    Spherical figures

    作者:Hannu Korhonen, GeoGebra Ambassador
    主題:幾何, 球形
    The geometry on a sphere is a little bit different as the geometry of our usual environment. Many thanks to Lénárt István and his geometry course in Finland 2003 for understanding these ideas.
    Spherical figures

    目錄

    • A sphere

      • Sphere
    • Points

      • Spherical point
    • Great circle

      • Great circle
      • Great circles
    • Spherical angle

      • Spherical angle
    • Spherical segment

      • Spherical segment
    • Spherical diangle

      • Spherical diangle 1
      • Spherical diangle 2
    • Spherical triangle

      • Spherical triangle
      • Spherical triangle 2
    • Spherical circle

      • Spherical circle
    下一步
    Sphere

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