# Bradley's Two-Triangles-to-One Dissection

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This Demonstration shows Bradley's dissection of two triangles to one. Bradley used equilateral triangles and the dissection illustrated the Pythagorean theorem.

Contributed by: Izidor Hafner (March 2011)

Based on work by: Greg N. Frederickson

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

H. C. Bradley's solution to the problem appeared in the *American Mathematical Monthly* in 1930.

G. N. Frederickson, *Dissections: Plane & Fancy*, New York: Cambridge University Press, 1997 pp. 40–41.

## Permanent Citation

"Bradley's Two-Triangles-to-One Dissection"

http://demonstrations.wolfram.com/BradleysTwoTrianglesToOneDissection/

Wolfram Demonstrations Project

Published: March 7 2011