- pythagorean theorem
- pythagorean and galileo's law
- Garfield's proof for pythagorean theorem
- the lunes of Alhazen
- archimedes' arbelos
- pythagorean spiral
- a proof of pythagorean theorem
- pythagorean theorem (proof)
- pythagorean theorem (a puzzle)
- Garfield's proof for pythagorean theorem
- a cube...
- regular tetrahedron
- a pyramid inside a cube-1
- cuboid
- components of a force
- generalization (pappus) of pythagorean
- coordinates-2 (distance)
- law of cosines (proof)
- proof of pythagorean-5
- the three squares problem
- x+1/x
- pyth-proof
- pyth-proof7
- circle-1
- pythagorean (verification)
- square numbers
- pythagorean triples-euclid
- pythagorean triples-plato
- pythagorean triples-proclus
- proof of pythagorean-9
- euclid's proof of pythagorean
