Triangle Area Calculator (Heron's Formula)

Compute triangle area using Heron's formula: s = (a+b+c)/2, Area = √(s(s−a)(s−b)(s−c)). Also supports (1/2)ab sin(C) and equilateral triangle cases.

 
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Physical Constants Reference
ConstantSymbolValue
Speed of lightc2.99792458×10⁸
Planck's constanth6.62607015×10⁻³‴
Boltzmann constant1.380649×10⁻²³
Avogadro's numberNₐ6.02214076×10²³
Gravitational constantG6.6743×10⁻¹¹
Gas constantR8.31446
Elementary chargee1.602176634×10⁻¹⁹
Electron massmₑ9.1093837015×10⁻³¹
Proton massmₚ1.67262192369×10⁻²⁷
Fine-structure constantα7.2973525693×10⁻³
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How It Works

Compute triangle area using Heron's formula: s = (a+b+c)/2, Area = √(s(s−a)(s−b)(s−c)). Also supports (1/2)ab sin(C) and equilateral triangle cases

Each component has a specific meaning:

  • Heron's formula: s = /2 — The heron's formula: s = /2 recorded for the patient or scenario being assessed.
  • Area = √) — The area = √) recorded for the patient or scenario being assessed.

Note: Interpret the heron's formula result against the clinical thresholds and context described above.

How to Use

Enter the Heron's formula: s = /2, Area = √) for the patient or scenario you are assessing. Compute triangle area using Heron's formula: s = (a+b+c)/2, Area = √(s(s−a)(s−b)(s−c)). Also supports (1/2)ab sin(C) and equilateral triangle cases. Use the heron's formula result to inform your clinical assessment.

Frequently Asked Questions