//ISize ISize.Divide(Double pct)
        //{
        //    return GeometryHelper.Divide(this, pct);
        //}

        public Boolean Equals(ISize?other)
        {
            if (ReferenceEquals(null, other))
            {
                return(false);
            }

            return(Width.AreEqualEnough(other.Width) &&
                   Height.AreEqualEnough(other.Height));
        }