Which of these is true of architecture in Renaissance Florence?
Brunelleschi invented a new system for planning based on units or modules that could be enlarged or shrunk to establish harmonious proportions.

Florence's main cathedral remained without a dome for about 50 years after its completion.

The interior courtyard of the Palazzo Medici features pointed, Gothic arches to give it a sense of tradition and history.

The Medici family worked to remain humbly anonymous as they funded the construction of their new home and the Church of San Lorenzo.