# Difference between revisions of "Square root of 10"

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It is the product of the [[square root of two]] and [[square root of five]]. | It is the product of the [[square root of two]] and [[square root of five]]. | ||

− | == | + | ==Trivia== |

− | Zhang Heng and Brahmagupta used {{radic|10}} to approximate {{Pi}} in 130 and 640 AD, respectively. | + | *Zhang Heng and Brahmagupta used {{radic|10}} to approximate {{Pi}} in 130 and 640 AD, respectively. |

+ | *While {{radic|10}} is approximately equal to {{Pi}}, {{radic|10|3}} is approximately equal to {{Pi}} - 1. | ||

==References== | ==References== |

## Revision as of 22:32, 17 March 2020

**This article was considered for deletion at Wikipedia on September 2 2019. This is a backup of Wikipedia:Square_root_of_10. All of its AfDs can be found at Wikipedia:Special:PrefixIndex/Wikipedia:Articles_for_deletion/Square_root_of_10, the first at Wikipedia:Wikipedia:Articles_for_deletion/Square_root_of_10.**

In mathematics, the **square root of 10** is the positive real number that when multiplied by itself gives 10. The approximation Template:Sfrac can be used for the square root of 10. It differs from the correct value by about Template:Sfrac. As of December 2013, its numerical value in decimal form has been computed to at least ten billion digits.^{[1]}

It is an irrational algebraic number. The first sixty significant digits of its decimal expansion are:

It is the product of the square root of two and square root of five.

## Trivia

- Zhang Heng and Brahmagupta used Template:Radic to approximate Template:Pi in 130 and 640 AD, respectively.
- While Template:Radic is approximately equal to Template:Pi, Template:Radic is approximately equal to Template:Pi - 1.