# Dissecting One Equilateral Triangle into Seven

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This Demonstration shows Collison's dissection of an equilateral triangle into seven smaller equilateral triangles.

Contributed by: Izidor Hafner (August 2013)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

Reference

[1] G. N. Frederickson, *Dissections: Plane & Fancy*, New York: Cambridge University Press, 1997 p. 56. www.cs.purdue.edu/homes/gnf/book.html.

## Permanent Citation

"Dissecting One Equilateral Triangle into Seven"

http://demonstrations.wolfram.com/DissectingOneEquilateralTriangleIntoSeven/

Wolfram Demonstrations Project

Published: August 12 2013