# Heron’s formula

The area of a triangle with side lengths $a,b,c$ is

$$\mathrm{\u25b3}=\sqrt{s(s-a)(s-b)(s-c)}$$ |

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

Title | Heron’s formula |
---|---|

Canonical name | HeronsFormula |

Date of creation | 2013-03-22 11:43:54 |

Last modified on | 2013-03-22 11:43:54 |

Owner | drini (3) |

Last modified by | drini (3) |

Numerical id | 11 |

Author | drini (3) |

Entry type | Theorem |

Classification | msc 51-00 |

Classification | msc 11A51 |

Classification | msc 55-01 |

Classification | msc 55-00 |

Related topic | Triangle |

Related topic | BrahmaguptasFormula |