- right triangle
- find the tan(φ)
- angle bisector as locus
- right triangle trigonometry-1
- a pyramid inside a cube-1
- measuring van gogh's cypress
- median to the hypotenuse
- pythagorean theorem (proof)
- pythagorean and galileo's law
- pythagorean spiral
- archimedes' arbelos
- the lune of Hippocrates
- the distance between two points
- Garfield's proof for pythagorean theorem
- square roots in a greek way...
- a proof of pythagorean theorem-4
- pythagorean theorem (a puzzle)
- a proof of pythagorean theorem
- a pyramid inside a cube...
- equal chords
- cuboid
- components of a force
- right triangle trigonometry-2
- coordinates-2 (distance)
- law of cosines (proof)
- proof of pythagorean-5
- the three squares problem
- geometric-arithmetic mean inequality
- distance between point-line
- x+1/x
- thm about right triangles
- the famous "1/5" square
- right triangle trigonometry
- pyth-proof
- pyth-proof7
- pythagorean (verification)
- right triangle paradox
- cone in cylinder
- geometric mean theorem
- frustum of a right cone
- pythagorean triples-euclid
- pythagorean triples-plato
- proof of pythagorean-9
- euclid's proof of pythagorean
- the height of the pyramid
