proofs without words

sonom


  • 1. the famous "1/5" square
  • 2. rolling circle squares itself
  • 3. proof of pythagorean-5
  • 4. geometric-arithmetic mean inequality
  • 5. distance between point-line
  • 6. napier's inequality
  • 7. law of cosines (pww)
  • 8. aristarchus' inequalities
  • 9. x+1/x
  • 10. thm about right triangles
  • 11. chords and tangents
  • 12. pyth-proof
  • 13. euclid's proof of pythagorean
  • 14. a multiplication table
  • 15. The Sum of the First n Natural Numbers - Dynamic Proof
  • 16. Sum of the Cubes
  • 17. circumference of circles-1
  • 18. cube of a binomial
  • 19. binomial formula
  • 20. difference of two squares
  • 21. the sum of the first n odd

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the famous "1/5" square

– sonom

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