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Triangle area (Heron)

C# Input/Output

Heron's formula

Flowchart (ISO 5807)

StartInput a, b, cs = (a + b + c) / 2area = System.Math.Sqrt(s * (s - a) * (s - b) * (s - c))Return areaEndFigure 1 — Program.HeronArea

Source code

class Program {
    static double HeronArea(double a, double b, double c) {
        double s = (a + b + c) / 2;
        double area = System.Math.Sqrt(s * (s - a) * (s - b) * (s - c));
        return area;
    }
}