PlanetMath: Heron's formula

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Heron's formula

(Theorem)

$\displaystyle \triangle=\sqrt{s(s-a)(s-b)(s-c)}$

where $s=\frac{a+b+c}{2}$ (the semiperimeter).

$\includegraphics{triangulo}$

"Heron's formula" is owned by drini. [ owner history (1) ]

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Keywords:

Geometry, Area, Triangle

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Cross-references: semiperimeter, lengths, side, area of a triangle
There are 6 references to this entry.

This is version 3 of Heron's formula, born on 2001-10-06, modified 2004-11-27.
Object id is 140, canonical name is HeronsFormula.
Accessed 10910 times total.

Classification:

51-00 (Geometry :: General reference works )

Pending Errata and Addenda

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