Calculate the area and perimeter of any triangle using Heron's formula from all three sides.
Calculate the area and perimeter of any triangle using Heron's formula from all three sides.
Heron's: Area = √[s(s-a)(s-b)(s-c)]
Sides 3, 4, 5 → Area = 6, Perimeter = 12.
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What is Triangle Calculator?
Calculate the area and perimeter of any triangle using Heron's formula from all three sides.
What formula does this use?
This calculator uses: Heron's: Area = √[s(s-a)(s-b)(s-c)]
Is this calculator free?
Yes! All calculators on CalcNest AI are 100% free with no account required.
Is my data safe?
Absolutely. All calculations run locally in your browser. We never store or transmit your input data.