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Outline

  1. GeoGebraBook
    1. Escherized Tessellation
    2. Point in an Equilateral Triangle - revisited
    3. Pythagorean Theorem Proof without Words
    4. Euler's line
    5. Nine Point Circle

GeoGebraBook

Author:Jenny Secor

  • Escherized Tessellation

  • Point in an Equilateral Triangle - revisited

  • Pythagorean Theorem Proof without Words

  • Euler's line

  • Nine Point Circle

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Escherized Tessellation

New Resources

  • Double Rodin Coil Style Torus
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  • Visualizing the Pythagorean Identity with Sine and Cosine
  • רישום חופשי
  • Making New Year's resolutions for 2026

Discover Resources

  • Polys
  • Limit superior and inferior illustration
  • Exploring Derivatives
  • Fun Graphs Generated by Trigonometric Parametric Equations
  • QuadraticB3-3: NoR3

Discover Topics

  • Straight Lines
  • Hyperbola
  • Solids or 3D Shapes
  • Numbers
  • Equilateral Triangles
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