He also collaborated with Wren on the look of St Paul's Cathedral; Hooke decided the ideal shape of the arch is really an inverted catenary and thence that a circular number of these arches can make a super form for that cathedral's dome.[109] «نتایج سرشماری عمومی نفوس و مسکن ۱۳۸۵». https://francisco554d1.bleepblogs.com/33460969/considerations-to-know-about-هوک