Which of these does not use ribbed vaulting in its design? a. st. etienne b. durham cathedral c. st. patrick’s cathedral d. all of the above use ribbed vaulting.

St. Patrick’s Cathedral does not use ribbed vaulting in its design

Ribbed Vaulting design is a design where we have the intersection of two to three barrel vaults produces a rib vault or ribbed vault when they are edged with an armature of piped masonry often carved in decorative patterns; compare groin vault, an older form of vault construction. Among the given options if we look at the design of St. Patrick’s Cathedral does not have the ribbed vaulting design.

e2020 is C

Explanation:

i'm not too sure - if you could attach the picture