an old math trick -2

Hosted by Dailymotion. For legal issues report at the Copyright Center, report us on DMC, or use the Instant Removal tool.

an old math trick -2

D
Dimitris Poimenidis

5 Views • Mar 29, 2012

Description

an old math trick (tangram) about a 5-13 right triangle, more... http://www.sonom.gr