Dintzl's Law of Cosines Dissection

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
This Demonstration gives Dintzl's dissection proof of the law of cosines: ,
.
Contributed by: Izidor Hafner (March 2011)
Based on work by: Greg N. Frederickson
Open content licensed under CC BY-NC-SA
Snapshots
Details
G. N. Frederickson, Dissections: Plane & Fancy, New York: Cambridge Univ. Press, 1997 pp. 39.
Permanent Citation
"Dintzl's Law of Cosines Dissection"
http://demonstrations.wolfram.com/DintzlsLawOfCosinesDissection/
Wolfram Demonstrations Project
Published: March 7 2011