Which Architectural Innovation Did Hagia Sophia First Use?

💡 The Answer

• Hagia Sophia was among the first buildings to employ a fully pendentive dome.
• A pendentive allows a circular dome to be placed over a square room.
• This innovation distributed the weight of the dome, enabling the vast interior space.
• The dome's construction changed the history of architecture, as noted by experts.
• It became a defining feature of Byzantine and later Islamic architecture.