Calculate area of triangle given lengths of sides. - Java java.lang

Java examples for java.lang:Math Geometry Shape

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Description

Calculate area of triangle given lengths of sides.

Demo Code

/***//from  w  w  w  .j  a v a 2s.  c o m
 * Copyright (C) 2010 Johan Henriksson
 * This code is under the Endrov / BSD license. See www.endrov.net
 * for the full text and how to cite.
 */
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.vecmath.Vector3d;

public class Main{
    /**
     * Calculate area of triangle given lengths of sides.
     * Uses Heron's formula.
     */
    public static double triangleAreaUsingSides(double a, double b, double c) {
        double s = (a + b + c) / 2;
        return Math.sqrt(s * (s - a) * (s - b) * (s - c));
    }
}

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