What does the bottom number mean in the this example of a time signature

What symbolism does da vinci use in his representation of the last supper? a. a triangle shaped light over the head of jesus b. the shape of jesus resembles a triangle c. jesus’ hands create a triangle as he reaches for the bread. d. all of the above

Atype of construction where tha main load bearing element are hung for suspension cables that are then suspended from vertical supports anchored into the ground or a riverbed

Was prevalent in art in northwestern europe during the middle ages? a. geometric motifs b. abstraction c. pointillism d. animal style