Stuff

package inclass.Trianlge;

public class Triangle1 
{
		///DATA///
	
	/// option a
	private int Ax;
	private int Ay;
	private int Bx;
	private int By;
	private int Cx;
	private int Cy;
	
	/// option b
//	
//	private Point a;
//	private Point b;
//	private Point c;
	
	
	//Constructor -- info from the outside world
	public Triangle1(int ax, int ay, int bx, int by, int cx, int cy)
	{
		Ax = ax;
		Ay = ay;
		Bx = bx;
		By = by;
		Cx = cx;
		Cy = cy;
	}
	
	public double lengthOfSides()
	{
		return (Math.sqrt(((Ax - Bx)*(Ax - Bx)) - ((Ay - By) * (Ay - By)))) + 
				(Math.sqrt(((Bx - Cx)*(Bx - Cx)) - ((By - Cy) * (By - Cy)))) +
				(Math.sqrt(((Cx - Ax)*(Cx - Ax)) - ((Cy - Ay) * (Cy - Ay))));
	}
}

output: The perimeter of the triangle is: NaN


*also btw when i just had the first two parts of the distance formula it was working