He also collaborated with Wren on the look of St Paul's Cathedral; Hooke identified The perfect shape of an arch is really an inverted catenary and thence that a circular number of this kind of arches makes a really perfect shape with the cathedral's dome.[109] ۱ جمعیت ۲ منابع تغییر https://stephenaxqia.blogsvirals.com/32300741/هوک-things-to-know-before-you-buy