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
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.
"Bradley's Two-Triangles-to-One Dissection"
Wolfram Demonstrations Project
Published: March 7 2011