# A Construction of the Square Root of Seven

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This Demonstration shows a construction of and such that .

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Contributed by: Marko Razpet and Izidor Hafner (OptionValue[fallbackPublishDate] {MonthName, Year, Day})

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

The ratio appears in Pappus's hexagons problem.

References

[1] T. Heath, *A History of Greek Mathematics, Volume II: From Aristarchus to Diophantus*, New York: Dover Publications, 1981.

[2] A. Ostermann and G. Wanner, *Geometry by Its History*, New York: Springer, 2012.

## Permanent Citation

"A Construction of the Square Root of Seven"

http://demonstrations.wolfram.com/AConstructionOfTheSquareRootOfSeven/

Wolfram Demonstrations Project

Published: OptionValue[fallbackPublishDate] Part[DateValue[OptionValue[fallbackPublishDate], {MonthName, Year, Day}], 3] {MonthName, Year, Day}