right angle

sonom, Mar 26, 2014


  • 1. Thales' theorem
  • 2. tangent-chord angle
  • 3. median to the hypotenuse
  • 4. perpendicular lines
  • 5. supplementary angles
  • 6. pythagorean theorem (proof)
  • 7. square roots in a greek way...
  • 8. right triangle trigonometry-2
  • 9. from kite to rhombus and square
  • 10. a square in a square
  • 11. pythagorean triples-proclus

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Thales' theorem

– sonom

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