what were the three types of vaults that were used?

what were the three types of vaults that were used?
Answer
Brief Explanations:
In architecture, common types of vaults include barrel - vaults (semicircular cross - section), groin (or cross) vaults (formed by the intersection of two barrel vaults), and ribbed vaults (with prominent structural ribs).
Answer:
Barrel vaults, Groin vaults, Ribbed vaults