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Heron's formula
Δ = √(s(s−a)(s−b)(s−c)), s = (a+b+c)/2
Where: Δ = area of triangle, a = side opposite A, b = side opposite B, c = side opposite C, s = semi-perimeter / arc length
Calculator
How to calculate Heron's formula
- Write down the formula: Δ = √(s(s−a)(s−b)(s−c)), s = (a+b+c)/2.
- Note the known values (a, b, c, s).
- Substitute them and simplify to find Delta.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Heron's formula?
The formula is Δ = √(s(s−a)(s−b)(s−c)), s = (a+b+c)/2, where Δ = area of triangle, a = side opposite A, b = side opposite B, c = side opposite C, s = semi-perimeter / arc length.