public void calcArea( )
	{
		double s;
        s = perimeter/2;
        theArea =Math.sqrt(s*(s-sideA)*(s-sideB)*(s-sideC));

	}

	public void print( )
	{

        System.out.println("Side entered are: "+sideA+ ","+ sideB+" ,"+ sideC );
		System.out.printf("Area == %.5f\n\n",theArea);
	}
}