History Of Math 2022

Gary Rubinstein, Jul 21, 2022


  • 1. Pythagoras Sum Of Angles In A Triangle
  • 2. Euclid I. 32 Sum Of Angles In A Triangle
  • 3. Euclid I 32 Exterior angle theorem
  • 4. Thales Theorem
  • 5. Construct An Equilateral Triangle
  • 6. Construct A Midpoint / Perpendicular Bisector
  • 7. Construct An Angle Bisector
  • 8. Euclid II. 14 Squaring A Rectangle
  • 9. Squaring The Rectangle
  • 10. Euclid Book II 14 squaring the rectangle
  • 11. Construct Regular Pentagon Activity
  • 12. Archimedes Upper Bound For Pi
  • 13. Trisecting an angle with the Spiral of Archimedes
  • 14. Archimedes Angle Trisection Method
  • 15. Archimedes Spiral To Square The Circle
  • 16. Quadratrix
  • 17. Conchoid Of Nicomedes
  • 18. Trisecting an angle with the Conchoid of Nicomedes
  • 19. Hippocrates Angle Trisecting
  • 20. Chord And Sine
  • 21. Chord Supplements

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Pythagoras Sum Of Angles In A Triangle

– Gary Rubinstein

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