Which of these architects developed the St. Peter's basilica that exists today, and what were his changes from the original design?
a. Bramante rebuilt it with a central-plan design.
b. Michelangelo developed it with unified space and a spherical dome.
c. Carlo Maderno extended the nave to 636 feet, and added a new facade.

Carlo Maderno extended the nave to 636 feet, and added a new facade.

Explanation:

(C) Carlo Maderno extended the nave to 636 feet, and added a new facade.

Explanation:

edg 2020

you didnt add any sort of groups or any options, you can edit it and then people can try to answer now its kinda hard.

hope this gives you a heads up why you arent answered. : d

have a great rest of your day!

artists followed a set of rules to achieve ideal proportion.