# Congruent Numbers

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A positive integer is called congruent if it is the area of a right triangle whose side lengths are rational numbers.

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Contributed by: Ed Pegg Jr (November 2013)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

Data for these triangles is from [1].

References

[1] M. Fiorentini. "Numeri Congruenti Minori di 1000." bitman.name/math/table/29.

[2] Wikipedia. "Congruent Number." (Mar 14, 2013) en.wikipedia.org/wiki/Congruent_number.

## Permanent Citation

"Congruent Numbers"

http://demonstrations.wolfram.com/CongruentNumbers/

Wolfram Demonstrations Project

Published: November 8 2013