## Video Links 5-6

**Video:**

Irrational Numbers (time: 2:23)

… See the whole entry

**Video:**

Irrational Numbers (time: 2:23)

… See the whole entry

**Video:**

Rational and Irrational (time: 7:23)

… See the whole entry

A variety of proofs of the Pythagorean theorem are found at this site. There are also some interesting remarks concerning this theorem:

http://www.cut-the-knot.org/pythagoras/index.shtml

For those of you who think that irrational numbers can be written in some (yet unknown) … See the whole entry