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Inversion: Ptolemy's Thm vs Pythagorean Thm

Author:Eric Mack's Quadrivial Matters
Topic:Area, Pythagoras or Pythagorean Theorem, Unit Circle

New Resources

  • Pitfalls of Disk/Washer Method
  • Reflection = 180° Rotation about a Line
  • Reflection across a line
  • Prism Drawn in 1-Point Perspective
  • Circle Passing Through 3 Points

Discover Resources

  • Finding a limit of integration k
  • MARS
  • Desiree's Simalarity Puzzle
  • division fraction
  • Group Law on an Ellipse

Discover Topics

  • Cube
  • Linear Programming or Linear Optimization
  • Cone
  • Variance
  • Expected Value
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