A short animated film providing a visual exploration of the Pythagorean theorem, and relating that to the algebraic expression of it. The film's heart, and real lesson, is the last section which hints at the joy mathematicians find in devising proofs and challenging themselves with new questions.
This is a digital transfer from a VHS scan of a 16mm print, so unfortunately it is not of prime quality. If anyone locates a 16mm print of this, please let me know. Original copyright by Bruce Cornwell; released under Creative Commons license by Eric Cornwell, 2014. For more please see Films by Bruce and Katharine Cornwell