# Calculator of an area of a triangle using Hero's formula

Formula for calculating the area of a triangle by the lengths of all three sides
$A=\sqrt{ \frac{a+b+c}{2} (\frac{a+b+c}{2} - a) (\frac{a+b+c}{2} - b) (\frac{a+b+c}{2} - c) }$
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#### Calculator of area of a triangle using Heron's formula

Digits after the decimal point: 2
Area of triangle

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PLANETCALC, Calculator of an area of a triangle using Hero's formula