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  • Spherical Geometry Ideas
  • Spherical Geometry Basics
  • Triangle Basics
  • Points of Concurrency
  • Conic Constructions
  • Tessellations

Spherical Geometry Ideas

Author:
Jessica Driver, Steve Phelps
Topic:
Geometry
This is a GeoGebraBook of some basics in spherical geometry.
Spherical Geometry Ideas

Table of Contents

  • Spherical Geometry Basics

    • Spherical Lines: Great Circles and Poles
    • Spherical Lines: Angles Formed by Great Circles
    • Spherical Lines: Great Circles
    • Spherical Lines: Angles Formed by Great Circles 2
    • A Regular Quadrilateral on a Sphere
    • Constructing a Spherical Segment
  • Triangle Basics

    • Spherical Triangle
    • Spherical Triangle: Polar Triangles
    • The Pythagorean Theorem for a Spherical Right Triangle
    • Spherical Triangle: A Quadrant Triangle
    • Spherical Triangle: A Birectanglular Triangle
    • Spherical Triangle: Napier's Rules
    • Spherical Triangle: Napier's Rules II
    • Spherical Triangle: Isosceles Right Triangle
    • Spherical Triangle: Another Special Right Triangle
  • Points of Concurrency

    • The Orthocenter
    • The Spherical Circumcenter and Circumcircle.
    • The Spherical Incenter and Incircle.
    • The Spherical Nine Point Circle
    • Spherical Triangle: The Medians and Centroid
  • Conic Constructions

    • The Parabola Construction on a Sphere
  • Tessellations

    • Tessellating the Sphere: Trirectangular Spherical Triangle
    • A Spherical Cuboctahedron
    • A spiral on a sphere
Next
Spherical Lines: Great Circles and Poles

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