# Lagrange's Four-Square Theorem Seen Using Polygons and Lines

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram CDF Player or other Wolfram Language products.

Requires a Wolfram Notebook System

Edit on desktop, mobile and cloud with any Wolfram Language product.

Any natural number can be represented as the sum of the squares of four non-negative integers. For most numbers there are multiple representations. In this Demonstration, the four integers (not squared) may be viewed using three different options.

[more]
Contributed by: Noel Patson (July 2013)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

detailSectionParagraph## Permanent Citation

"Lagrange's Four-Square Theorem Seen Using Polygons and Lines"

http://demonstrations.wolfram.com/LagrangesFourSquareTheoremSeenUsingPolygonsAndLines/

Wolfram Demonstrations Project

Published: July 11 2013