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Pentagon Angle Sum Theorem

Author:Mathematical Maddy

New Resources

  • The Gardener's Ellipse
  • Mondrian's Puzzle
  • Fractal Tétraèdre. Dilatation -1/2 centre triangles
  • Regular Polygons and Equivalent Triangles
  • The Gardener's Circle

Discover Resources

  • factors of 12
  • Construction with only restricted tools
  • translation
  • 三角形的內角

Discover Topics

  • Tangent Function
  • Triangles
  • Hypergeometric Distribution
  • Ratios
  • Mode
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