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# Incircle of a triangle

This online calculator determines the radius and area of the incircle of a triangle given the three sides

Another triangle calculator, which determines radius of incircle
$R = \frac {S}{p}$
where, S, area of triangle, can be found using Hero's formula, p - half of perimeter.

#### Incircle of a triangle

Digits after the decimal point: 2

Incircle area

Triangle area

Area ratio

PLANETCALC, Incircle of a triangle