@Override
	public boolean equals(Object obj) {
		if(obj == null || !(obj instanceof Triangle)) {
			return false;
		}
		return this.side1.compareTo(((Triangle)obj).getSide1()) == 0
				&& this.side2.compareTo(((Triangle)obj).getSide2()) == 0
				&&	this.side3.compareTo(((Triangle)obj).getSide3()) == 0;
	}