double x = (perpAB()*midAB().getX()-midAB().getY()-perpBC()*midBC().getX()+midBC().getY())/(perpAB()-perpBC());
		double y = perpAB()*x-perpAB()*midAB().getX()+midAB().getY();
		if(Double.isNaN(x)==true)
		{
			x = (perpAB()*midAB().getX()-midAB().getY()-perpAC()*midAC().getX()+midAC().getY())/(perpAB()-perpAC());
			y = perpAB()*x-perpAB()*midAB().getX()+midAB().getY();
		}
		if(Double.isNaN(x)==true)
		{
			x = (perpBC()*midBC().getX()-midBC().getY()-perpAC()*midAC().getX()+midAC().getY())/(perpBC()-perpAC());
			y = perpBC()*x-perpBC()*midBC().getX()+midBC().getY();
		}
		Point circumcenter = new Point(x,y);
		return circumcenter;