Apologies for bad quality.. how does this picture demonstrate informal balance?

Ablank is a type of chord that consists of three pitches on consecutive lines or spaces

The key makeup artist is the counterpart to the costume designer makeup effects artist makeup artist director

How did brunelleschi solve his problem with the dome of the florence cathedral? a. he created an outer support shell. b. he created many layers of support within the dome. c. he created external supports for the dome. d. all of the above