Wolfram Demonstrations Project

This Demonstration gives hinged dissections of various sets of equilateral triangles due to Bradley (

), Collison (

), and Frederickson (

). The side lengths are proportional to the square roots of the areas.

G. N. Frederickson, Hinged Dissections: Swinging & Twisting, New York: Cambridge University Press, 2002 pp. 72-74.

Contributed by: Izidor Hafner

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Common Core State Standards for Mathematics

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Hinged Dissection of Equilateral Triangles